What is the integral of xsqrt(17x-14) ?

The integral of xsqrt(17x-14) is 1/289 (2/5 (17x-14)^{5/2}+28/3 (17x-14)^{3/2})+C

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integral of xsqrt(17x-14)

\int x 17 x - 14 d x

\frac{1}{289} (\frac{2}{5} (17 x - 14)^{\frac{5}{2}} + \frac{28}{3} (17 x - 14)^{\frac{3}{2}}) + C

Solution steps

\int x 17 x - 14 d x

Apply u-substitution

: \int \frac{u ( u + 14 )}{289} d u

= \int \frac{u ( u + 14 )}{289} d u

Take the constant out:

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

= \frac{1}{289} \cdot \int u (u + 14) d u

Expand

u (u + 14) : u^{\frac{3}{2}} + 14 u

= \frac{1}{289} \cdot \int u^{\frac{3}{2}} + 14 u 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

= \frac{1}{289} (\int u^{\frac{3}{2}} d u + \int 14 u d u)

\int u^{\frac{3}{2}} d u = \frac{2}{5} u^{\frac{5}{2}}

\int 14 u d u = \frac{28}{3} u^{\frac{3}{2}}

= \frac{1}{289} (\frac{2}{5} u^{\frac{5}{2}} + \frac{28}{3} u^{\frac{3}{2}})

Substitute back

u = 17 x - 14

= \frac{1}{289} (\frac{2}{5} (17 x - 14)^{\frac{5}{2}} + \frac{28}{3} (17 x - 14)^{\frac{3}{2}})

Add a constant to the solution

= \frac{1}{289} (\frac{2}{5} (17 x - 14)^{\frac{5}{2}} + \frac{28}{3} (17 x - 14)^{\frac{3}{2}}) + C

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What is the integral of xsqrt(17x-14) ?
The integral of xsqrt(17x-14) is 1/289 (2/5 (17x-14)^{5/2}+28/3 (17x-14)^{3/2})+C