webwork/ $18math243/ chap13sec5/ 5 Chap! 3Sec5: Problem 5 Previous Problem List

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webwork/ $18math243/ chap13sec5/ 5 Chap! 3Sec5: Problem 5 Previous Problem List Next (4 points) Let f be a scalar function and F a vector field. Indicate whether each expression gives a Scalar" or "Vector" or enter "Neither" it the expression is meaningless. ? .(grad f) x (div F) ?? grad(div F) 4. grad F ? ? ?5, div(grad/) ( :16, grad f 7. div(div F) grad(div f) Note: You can earn partial credit on this problem. Preview My Answers Submit Answers You have attempted this problem 0 times. You have 6 attempts remaining. Email instructor

Explanation / Answer

first of all div F is a scalar and curl F is a vector

1)0 grade of scalr =0

2)0 as div f is scalar grade of scalar =0

3)scalar

4) vector

5)vector

6)0

7) vector

8)0 divf=0 grade(0)=0

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