I know this is a lot to ask, but any help would be greatly appreciated. I have a

Question

I know this is a lot to ask, but any help would be greatly appreciated. I have attempted all of the problems, but I'd like to have some confirmation on my answers. I don't need all the integrals evaluated completely. I mainly just need to know that I have my limits of integration (domains) right. You may ignore #2a,b,c because I am confident in my work on that problem. Problem #1 seems impossible to integrate. I used the series expansion of sin(x) divided by x and took the integral for an approximaition. If you have a better solution please fill me in.

1. Sketch and define the region D then evaluate . 2a. Complete 15.3.16. 2b. Use the information of 15.3.16 to find f. 2c. If f(x,y,z) = e^z in 15.3.16 represents charge density in Coulombs per centimeter cubed then what does the result of problem 2a represent? 3. Use a double integral to find the Centroid of the region described by x + y > = 1 and x^2 + y^2

Explanation / Answer

these many questions to be answered only for 1500 points ....reallly hard

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