What is the integral of xsqrt(1-x^2) ?

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

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integral of xsqrt(1-x^2)

\int x 1 - x^{2} d x

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

Solution steps

\int x 1 - x^{2} d x

Apply u-substitution

: \int - u^{2} d u

= \int - u^{2} d u

Take the constant out:

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

= - \int u^{2} d u

Apply the Power Rule

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

= - \frac{u ^{3}}{3}

Substitute back

u = 1 - x^{2}

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

Simplify

- \frac{( 1 - x ^{2} ) ^{3}}{3} : - \frac{1}{3} (1 - x^{2})^{\frac{3}{2}}

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

Add a constant to the solution

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

\int \frac{x + 2}{x ^{2} + 25} d x

f (x) = \frac{10 x}{1 + x ^{2}}, (3, 3)

x^{5} + y^{4} x^{6} + 5 y^{^{'}} = 0

(- 5) (7.8)

x \to - \infty lim (0. 5^{x})

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