What is the integral of (1+36x)^{1/2} ?

The integral of (1+36x)^{1/2} is 1/54 (1+36x)^{3/2}+C

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integral of (1+36x)^{1/2}

\int (1 + 36 x)^{\frac{1}{2}} d x

\frac{1}{54} (1 + 36 x)^{\frac{3}{2}} + C

Solution steps

\int (1 + 36 x)^{\frac{1}{2}} d x

Apply u-substitution

: \int \frac{u ^{\frac{1}{2}}}{36} d u

= \int \frac{u ^{\frac{1}{2}}}{36} d u

Take the constant out:

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

= \frac{1}{36} \cdot \int u^{\frac{1}{2}} d u

Apply the Power Rule

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

= \frac{1}{36} \cdot \frac{2}{3} u^{\frac{3}{2}}

Substitute back

u = 1 + 36 x

= \frac{1}{36} \cdot \frac{2}{3} (1 + 36 x)^{\frac{3}{2}}

Simplify

\frac{1}{36} \cdot \frac{2}{3} (1 + 36 x)^{\frac{3}{2}} : \frac{1}{54} (1 + 36 x)^{\frac{3}{2}}

= \frac{1}{54} (1 + 36 x)^{\frac{3}{2}}

Add a constant to the solution

= \frac{1}{54} (1 + 36 x)^{\frac{3}{2}} + C

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What is the integral of (1+36x)^{1/2} ?
The integral of (1+36x)^{1/2} is 1/54 (1+36x)^{3/2}+C