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Questions  

If y = x2sin(x3) then y dx will be :

a
−cos⁡x3+C
b
−cos⁡x33+C
c
cos⁡x3+C
d
cos⁡x33+C

detailed solution

Correct option is B

y=x2sin⁡x3∫x2sin⁡x3dx let u=x3⇒du=3x2dx∫sin⁡udu3=13(−cos⁡u)+C=−13cos⁡x3+C

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