WBJEE 2018 Math Solved Paper

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Question : 71 of 75

Marks: +1, -0

Let I =

1

∫

0

x3cos3x

2+x2

dx. Then

−
1
2
<I<
1
2
−
1
3
<I<
1
3
−1<I<1
−
3
2
<I<
3
2

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