Browse P
Alphabetical listing with fast deep pagination.
81033 items • Page 1398 / 1621
Prove or disprove the solution proposed by the homeowner. Given: A homeowner wan
Prove or disprove the solution proposed by the homeowner. Given: A homeowner wants to supply power to a storage shed six hundred feet from the exterior meteripower panel. Loads co…
Prove or disprove: there exists a basis (p_0, p_1, p_2, p_3)of P_3 (F) such that
Prove or disprove: there exists a basis (p_0, p_1, p_2, p_3)of P_3 (F) such that none of the polynomials p_0, p_1, p_2, p_3 hasdegree 2. ---- Is the following proof correct? ---- …
Prove or give a counterexample to each of the following statements. \\begin{enum
Prove or give a counterexample to each of the following statements. egin{enumerate} item For each non-negative number s, there exists a non-negative number t such that $s geq t$.…
Prove or give a counterexample to each of the following statements. \\begin{enum
Prove or give a counterexample to each of the following statements. egin{enumerate} item For each non-negative number s, there exists a non-negative number t such that $s geq t$.…
Prove or give a counterexample: If f is differentiable on a neighborhood of x0,
Prove or give a counterexample: If f is differentiable on a neighborhood of x0, then f satisfies a Lipshitz condition on some neighborhood of x0 Lots of details please.
Prove that (1)Let a,b ? R. Then a-b is a factor of a^n-b^n for all n ? N. That i
Prove that (1)Let a,b ? R. Then a-b is a factor of a^n-b^n for all n ? N. That is, for each n ? N, we have a^n-b^n = (a-b)c for some c, where c is a polynomial of two variables a,…
Prove that (1)×x = x in every ring. (N.B. This question is about rings in genera
Prove that (1)×x = x in every ring. (N.B. This question is about rings in general, not just the integers. So you can only use R1 through R8 when answering this question.) R1 Addit…
Prove that (111) surface of a crystal with cubic lattice Intercepts (100) surfac
Prove that (111) surface of a crystal with cubic lattice Intercepts (100) surface at an inclination angle of approximately 54.75 degree. Calculate surface density of atoms in (100…
Prove that (111) surface of a crystal with cubic lattice Intercepts (100) surfac
Prove that (111) surface of a crystal with cubic lattice Intercepts (100) surface at an inclination angle of approximately 54.75 degree. Calculate surface density of atoms in (100…
Prove that (X,d) is connected if and only if X x X isconnected. Solution Conside
Prove that (X,d) is connected if and only if X x X isconnected.
Prove that (n) is an odd integer if and only if n is a perfect square or twice a
Prove that (n) is an odd integer if and only if n is a perfect square or twice a perfect square. (hint: if p is an odd prime, then 1+P+P2+...+Pk is odd only when k is even) Use pr…
Prove that /2 then aota for some x in (0, 1). Prove that the polynomial function
Prove that /2 then aota for some x in (0, 1). Prove that the polynomial function f"(x)=x3-3x + m never has two roots in [O. II, no matter what m may be. (This is an easy consequen…
Prove that 1-1/2+1/3-1/4+.......+(1/2n-1)-(1/2n)=(1/n+1)+(1/n+2)+....+(1/2n),for
Prove that 1-1/2+1/3-1/4+.......+(1/2n-1)-(1/2n)=(1/n+1)+(1/n+2)+....+(1/2n),for all n in N Proof: Let P(n) be the statement 1-1/2+1/3-1/4+...+(1/2n-1)-(1/2n)=(1/n+1)+(1/n+2)+...+…
Prove that 2n > n2 for n > 5 6 N What is wrong with the following \"proof\'? Sho
Prove that 2n > n2 for n > 5 6 N What is wrong with the following "proof'? Show that "all horses are the same color". Let P(ri) = a set of n horses being the same color Basi…
Prove that 3 + (3 times 5) + (3 times 5^2) + .. + (3 times 5^n) = (3 times (5^n
Prove that 3 + (3 times 5) + (3 times 5^2) + .. + (3 times 5^n) = (3 times (5^n + 1 - 1)/4 whenever n is a nonnegative integer. a) Find a formula for 1/2 + 1/4 + 1/8 + .. + 1/2^n …
Prove that A is idempotent if and only if AT is idempotent. Getting Started: The
Prove that A is idempotent if and only if AT is idempotent. Getting Started: The phrase "if and only if" means that you have to prove two statements. If A is idempotent, then AT i…
Prove that A is idempotent if and only if AT is idempotent. Getting Started: The
Prove that A is idempotent if and only if AT is idempotent. Getting Started: The phrase "if and only if" means that you have to prove two statements. If A is idempotent, then AT i…
Prove that A5 has a subgroup of order 12 Solution suppose, by way of contradicti
Prove that A5 has a subgroup of order 12
Prove that Aut(Z4) ? Z2. Solution k, suppose you have a group, N. we can form it
Prove that Aut(Z4) ? Z2.
Prove that Corollary 3.13, for real sequences, is equivalent to the Least Upper
Prove that Corollary 3.13, for real sequences, is equivalent to the Least Upper Bound Property. More precisely, assume all the axioms for the reals from Section 2A except O6, and …
Prove that Definition 2.4 implies Definition 2.1. Definition 2.1: An encryption
Prove that Definition 2.4 implies Definition 2.1. Definition 2.1: An encryption scheme II = (Gen, Enc, Dec) over a message space M is perfectly secret if for every probability dis…
Prove that Euler\'s function (n) approaches infinity as n approaches infinity So
Prove that Euler's function (n) approaches infinity as n approaches infinity
Prove that Iog_2 3 is irrational (leg, stands for logarithm with base 2.) Prove
Prove that Iog_2 3 is irrational (leg, stands for logarithm with base 2.) Prove that for every positive integer n 1 middot 2 middot 3 + 2 middot 3 middot 4 + ... + n(n + 1) (n + 2…
Prove that L = {0 x 1 y 2 x+y | x >= 0 and y >=1} is not Regular. Must use Closu
Prove that L = {0x 1y 2x+y | x >= 0 and y >=1} is not Regular. Must use Closure(s). [ Describe the language in English first ] Hint: Your "destination" should be …
Prove that Let f : A rightarrow B. Prove that if x A, Y B and f is a bijection.
Prove that Let f : A rightarrow B. Prove that if x A, Y B and f is a bijection. then f(X) = Y iff f-1(Y) = X.
Prove that Summation (n, k=1) of cos (2?k/n) = Summation (n, k=1) of sin (2?k/n)
Prove that Summation (n, k=1) of cos (2?k/n) = Summation (n, k=1) of sin (2?k/n)
Prove that Summation (n, k=1) of cos (2?k/n) = Summation (n, k=1) of sin (2?k/n)
Prove that Summation (n, k=1) of cos (2?k/n) = Summation (n, k=1) of sin (2?k/n)
Prove that a closed trajectory is invariant under the identity mapping of two sy
Prove that a closed trajectory is invariant under the identity mapping of two systems of differential equations that have the same qualitative structure
Prove that a connected undirected graph with n vertices and no cycles must have
Prove that a connected undirected graph with n vertices and no cycles must have exactly n-1 edges. (This kind of a graph is called a tree). (Proof by induction)
Prove that a disk D that equals the sum of disks D1 of radius r1 and D2 of radiu
Prove that a disk D that equals the sum of disks D1 of radius r1 and D2 of radius r2 necessarily has radius r satisfying r^2=r1^2+r2^2. This is easy to do using the formula A=pi*r…
Prove that a function between metric spaces is continuous if and only if the pre
Prove that a function between metric spaces is continuous if and only if the preimage of every closed set is a closed set. More precisely, this means: a function is continuous if …
Prove that a given solution pair, x and y, must be relatively prime. [Hint: Supp
Prove that a given solution pair, x and y, must be relatively prime. [Hint: Suppose not and suppose that x = cr and y = cs. Use that to show that c divides d and write d = ct. Sub…
Prove that a graph G on n vertexes has a Hamiltonian path if for all non-adjacen
Prove that a graph G on n vertexes has a Hamiltonian path if for all non-adjacent vertexes u and v, deg(u) + deg(v) >= n - 1. (Hint: consider augmenting a new vertex and edges …
Prove that a group G has exactly 3 subgroups if and only if G is cyclic with |G|
Prove that a group G has exactly 3 subgroups if and only if G is cyclic with |G| = p^2 for a prime number p.
Prove that a subset H of a vectorspace V is a subspace ofV if and only if the fo
Prove that a subset H of a vectorspace V is a subspace ofV if and only if the following two conditions hold: (a) 0V belongsto H, where0V denotes the zero vectorin V ; (b) For ever…
Prove that a subspace of R^n is a convex set. Show that a rectangle in R^n is a
Prove that a subspace of R^n is a convex set. Show that a rectangle in R^n is a convex set. Let H_2 be the half-space in R^n defined by c^T x greaterthanorequalto k. Show that H_2…
Prove that a turing machine is neither R.E. nor Co-R.E. Consider the following t
Prove that a turing machine is neither R.E. nor Co-R.E. Consider the following two languages L1 = {(M) | M is a Turing machine and |L(M)| = 1} L2 = {(M) M is a Turing machine and …
Prove that an nxn upper triangular matrix has rank n if and only if there are no
Prove that an nxn upper triangular matrix has rank n if and only if there are no zero elements on the diagonal.
Prove that any OR (orientation Reversing) isometry u of R^2 is of the form rt, w
Prove that any OR (orientation Reversing) isometry u of R^2 is of the form rt, where t is a translation and r is a reflection in some line through a prescribed point O. The Normal…
Prove that any elementary row (column) operation of type 1 can beobtained by a s
Prove that any elementary row (column) operation of type 1 can beobtained by a succession of three elementary row (column)operations of type 3 followed by one elementary row (colu…
Prove that any integer greater than or equal to 9 can be written as 3a + 4b wher
Prove that any integer greater than or equal to 9 can be written as 3a + 4b where a and b are non-negative integers. By weak induction By strong induction
Prove that between any two elements of an ordered field, there areinfinitely man
Prove that between any two elements of an ordered field, there areinfinitely many elements of that field by proving the following: a. Prove that if x and y are elements of an orde…
Prove that closed unit ball of L^1 (relative to lebesgue measure on the unit int
Prove that closed unit ball of L^1 (relative to lebesgue measure on the unit interval) has no extreme points but every point on the surface of the unit ball in L^p (1<p<infi…
Prove that each argument is valid by replacing each proposition with a variable
Prove that each argument is valid by replacing each proposition with a variable to obtain the form of the argument. Then use the rules of inference to prove that the form is valid…
Prove that each of following problems is in P by sketching a polynomial time alg
Prove that each of following problems is in P by sketching a polynomial time algorithm that solves it. Briefly justify that your algorithm runs in polynomial. (1) EASY SOLUTION = …
Prove that each of following problems is in P by sketching a polynomial time alg
Prove that each of following problems is in P by sketching a polynomial time algorithm that solves it. Briefly justify that your algorithm runs in polynomial. (3) COMPLETE = {G | …
Prove that each of following problems is in P by sketching a polynomial time alg
Prove that each of following problems is in P by sketching a polynomial time algorithm that solves it. Briefly justify that your algorithm runs in polynomial. (4) SPATH = {G,s,t,k…
Prove that each of following problems: Show that it is in NP by sketching a poly
Prove that each of following problems: Show that it is in NP by sketching a polynomial time verifier for it. Show that each problem is NP-hard by giving a polynomial time reductio…
Prove that each of the following statements is false by giving a counter example
Prove that each of the following statements is false by giving a counter example. a) if a sequence {an} is monotonic, then it is convergent. b) if both sequences {an} and {bn} are…
Prove that every ideal of a ring R is the kernal of a ring homorphism of R. In p
Prove that every ideal of a ring R is the kernal of a ring homorphism of R. In particular, an ideal A is the kernel of the mapping r goes to r+A form R to R/A.