Question

How to solve this?

Answer 1

By using polar coordinates

Answer 2

@ganeshie8

Answer 3

how are you stuck on this ?

Answer 4

replace \(dxdy\) by \(r\,drd\theta\)

Answer 5

\(x\) by \(r\cos\theta\)
\(y\) by \(r\sin\theta\)

\(x^2+y^2\) by \(r^2\)

Answer 6

How do you do that?

Answer 7

what do you not understand in my above reply ? please be specific

Answer 8

the value of r.i do not understand why you used r.

Answer 9

I suggest you watch this video first
https://www.youtube.com/watch?v=flaT7HuYk-Q