What is the integral of 5x^4+6x+7 ?

The integral of 5x^4+6x+7 is x^5+3x^2+7x+C

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integral of 5x^4+6x+7

\int 5 x^{4} + 6 x + 7 d x

x^{5} + 3 x^{2} + 7 x + C

Solution steps

\int 5 x^{4} + 6 x + 7 d x

Apply the Sum Rule:

\int f (x) \pm g (x) d x = \int f (x) d x \pm \int g (x) d x

= \int 5 x^{4} d x + \int 6 x d x + \int 7 d x

\int 5 x^{4} d x = x^{5}

\int 6 x d x = 3 x^{2}

\int 7 d x = 7 x

= x^{5} + 3 x^{2} + 7 x

Add a constant to the solution

= x^{5} + 3 x^{2} + 7 x + C

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