Evaluate the indefinite integral given below using the indicated substitution. ∫(4x3+x2)(3x4+x3)8dxu=3x4+x3

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Here the given indefinite integral is{:[int(4x^(3)+x^(2))(3x^(4)+x^(3))^(8)dx],[" let "3x^(4)+x^(3)=4],[=(1)/(3)intu^(8)dx],[=>(12x^(3)+3x^(2))dx=du],[=(1)/(3)*(u^(9))/(9)+c ... See the full answer