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Questions  

The value of  limx0xexdx20xe2x2dx is

a
1
b
2
c
3
d
0

detailed solution

Correct option is D

limx→∞ ∫0x exdx2∫0x e2x2dx=limx→∞ ex−12∫0x e2x2dx =limx→∞ 2ex−1exe2x2=2limx→∞ 1−e−xe2x2−2x=0

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