Question

Question #d1261

Answer 1

By multiplying out,

`f(x)=x(7-x)^2=x(49-14x+x^2)=49x-14x^2+x^3`

By Power Rule,

`F(x)=int(49x-14x^2+x^3) dx=49/2 x^2-14/3 x^3+1/4 x^4 +C`

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I hope that this was helpful.