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Question

Multivariable Calculus Question on Integral Calculus

Let
f(x,y)=(ux2)+(vy)21e(ux)2+(vy)2du dv.f(x,y)=\iint\limits_{(u-x^2)+(v-y)^2 \le 1}e^{-\sqrt{(u-x)^2+(v-y)^2}}du\ dv.
Then limnf(n,n2)\lim\limits_{n \rightarrow \infin}f(n,n^2) is

A

non-existent

B

0

C

π(1 − e−1)

D

2π(1 − 2e−1)

Answer

2π(1 − 2e−1)

Explanation

Solution

The correct option is (D) : 2π(1 − 2e−1).