What is the integral of (6xsqrt(2x^2-7))/5 ?

The integral of (6xsqrt(2x^2-7))/5 is 1/5 (2x^2-7)^{3/2}+C

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integral of (6xsqrt(2x^2-7))/5

\int \frac{6 x 2 x ^{2} - 7}{5} d x

\frac{1}{5} (2 x^{2} - 7)^{\frac{3}{2}} + C

Solution steps

\int \frac{6 x 2 x ^{2} - 7}{5} d x

Take the constant out:

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

= \frac{6}{5} \cdot \int x 2 x^{2} - 7 d x

Apply u-substitution

: \int \frac{u}{4} d u

= \frac{6}{5} \cdot \int \frac{u}{4} d u

Take the constant out:

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

= \frac{6}{5} \cdot \frac{1}{4} \cdot \int u d u

Apply the Power Rule

: \frac{2}{3} u^{\frac{3}{2}}

= \frac{6}{5} \cdot \frac{1}{4} \cdot \frac{2}{3} u^{\frac{3}{2}}

Substitute back

u = 2 x^{2} - 7

= \frac{6}{5} \cdot \frac{1}{4} \cdot \frac{2}{3} (2 x^{2} - 7)^{\frac{3}{2}}

Simplify

\frac{6}{5} \cdot \frac{1}{4} \cdot \frac{2}{3} (2 x^{2} - 7)^{\frac{3}{2}} : \frac{1}{5} (2 x^{2} - 7)^{\frac{3}{2}}

= \frac{1}{5} (2 x^{2} - 7)^{\frac{3}{2}}

Add a constant to the solution

= \frac{1}{5} (2 x^{2} - 7)^{\frac{3}{2}} + C

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What is the integral of (6xsqrt(2x^2-7))/5 ?
The integral of (6xsqrt(2x^2-7))/5 is 1/5 (2x^2-7)^{3/2}+C