Question

evaluate integral of (x^2-y^2)/[(x^2+y^2)^2]dydx

Answer 1

0 to 1

Answer 2

both 0 to 1

Answer 3

do you mean\[\int_0^1 \int_0^1 \frac{x^2-y^2}{(x^2+y^2)^2} \text{d}y \ \text{d}x\]

Answer 4

aha ok

Answer 5

yes

Answer 6

look at the figure