What is the integral of p(p+7)^8 ?

The integral of p(p+7)^8 is ((p+7)^{10}}{10}-\frac{7(p+7)^9)/9+C

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integral of p(p+7)^8

\int p (p + 7)^{8} d p

\frac{( p + 7 ) ^{10}}{10} - \frac{7 ( p + 7 ) ^{9}}{9} + C

Solution steps

\int p (p + 7)^{8} d p

Apply u-substitution

: \int (u - 7) u^{8} d u

= \int (u - 7) u^{8} d u

Expand

(u - 7) u^{8} : u^{9} - 7 u^{8}

= \int u^{9} - 7 u^{8} d u

Apply the Sum Rule:

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

= \int u^{9} d u - \int 7 u^{8} d u

\int u^{9} d u = \frac{u ^{10}}{10}

\int 7 u^{8} d u = \frac{7 u ^{9}}{9}

= \frac{u ^{10}}{10} - \frac{7 u ^{9}}{9}

Substitute back

u = p + 7

= \frac{( p + 7 ) ^{10}}{10} - \frac{7 ( p + 7 ) ^{9}}{9}

Add a constant to the solution

= \frac{( p + 7 ) ^{10}}{10} - \frac{7 ( p + 7 ) ^{9}}{9} + C

\int t^{2} e^{- 3 t} d t

\int 2 y e^{2 x} d x

y^{^{''}} + 2 y^{^{'}} + y = 4 e^{- 1}

\frac{d}{d t} (tan (t + \frac{π}{4}))

\frac{d y}{d x} = y - y^{5}

What is the integral of p(p+7)^8 ?
The integral of p(p+7)^8 is ((p+7)^{10}}{10}-\frac{7(p+7)^9)/9+C