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 If x5e4x3dx=148e4x3f(x)+C then f(x)=

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a
4x3+1
b
4x3−1
c
−4x3−1
d
2x3+1

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detailed solution

Correct option is B

4x3=t⇒x2dx=112dt 148∫tetdt=148et(t−1)+C=148e4x34x3−1+C


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