What is the integral of 3sqrt(x^7) ?

The integral of 3sqrt(x^7) is 2/3 x^{9/2}+C

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integral of 3sqrt(x^7)

\int 3 x^{7} d x

\frac{2}{3} x^{\frac{9}{2}} + C

Solution steps

\int 3 x^{7} d x

Take the constant out:

\int a \cdot f (x) d x = a \cdot \int f (x) d x

= 3 \cdot \int x^{7} d x

x^{7} = x^{\frac{7}{2}},

assuming

x \geq 0

= 3 \cdot \int x^{\frac{7}{2}} d x

Apply the Power Rule

: \frac{2}{9} x^{\frac{9}{2}}

= 3 \cdot \frac{2}{9} x^{\frac{9}{2}}

Simplify

3 \cdot \frac{2}{9} x^{\frac{9}{2}} : \frac{2}{3} x^{\frac{9}{2}}

= \frac{2}{3} x^{\frac{9}{2}}

Add a constant to the solution

= \frac{2}{3} x^{\frac{9}{2}} + C

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What is the integral of 3sqrt(x^7) ?
The integral of 3sqrt(x^7) is 2/3 x^{9/2}+C