# How do you integrate #int x^2*3^(5x^3+1)# using substitution?

The integral equals

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To integrate ( \int x^2 \cdot 3^{5x^3 + 1} ) using substitution, we can let ( u = 5x^3 + 1 ). Then, differentiate ( u ) with respect to ( x ) to find ( du ). Afterwards, we can express the integral in terms of ( u ), making it easier to integrate.

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