Change the following number to polar form and then perform the operation. Expres

Question

Change the following number to polar form and then perform the operation. Express the result in polar form and rectangular form. Check your result by taking the power of the original number in rectangular form. (2+ 7j)3 Write the complex number to the power in polar form. (2 + 7j)3 = (Simplify your answer. Use integers or decimals rounded to two decimal places for any numbers in the expression. Express complex numbers in terms of j. Type any angles in degrees between 0 and 360 degree. Do not include the degree symbol in your answer.)

Explanation / Answer

r=(sqrt(53)^3 theta=3tan^-1(7/2)=222.16 ==>polarform=385.85(cos222.16+isin222.16)

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