What is the integral of x/(sqrt(-x^2+5)) ?

The integral of x/(sqrt(-x^2+5)) is -sqrt(-x^2+5)+C

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integral of x/(sqrt(-x^2+5))

\int \frac{x}{- x ^{2} + 5} d x

- - x^{2} + 5 + C

Solution steps

\int \frac{x}{- x ^{2} + 5} d x

Apply u-substitution

: \int - \frac{1}{2 u} d u

= \int - \frac{1}{2 u} d u

Take the constant out:

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

= - \frac{1}{2} \cdot \int \frac{1}{u} d u

Apply the Power Rule

: 2 u^{\frac{1}{2}}

= - \frac{1}{2} \cdot 2 u^{\frac{1}{2}}

Substitute back

u = - x^{2} + 5

= - \frac{1}{2} \cdot 2 (- x^{2} + 5)^{\frac{1}{2}}

Simplify

- \frac{1}{2} \cdot 2 (- x^{2} + 5)^{\frac{1}{2}} : - - x^{2} + 5

= - - x^{2} + 5

Add a constant to the solution

= - - x^{2} + 5 + C

\int_{0}^{\frac{3}{2}} x cos (π x) d x

- \frac{1}{2 x ^{2}}

x \to \infty lim (\frac{x ^{3} + 20 x}{10 x - 2})

\frac{\partial}{\partial x} (cos (x) sin (yz))

\frac{d}{d x} (139 + \frac{36}{x} + \frac{x ^{2}}{16})

What is the integral of x/(sqrt(-x^2+5)) ?
The integral of x/(sqrt(-x^2+5)) is -sqrt(-x^2+5)+C