What is the integral of 1/(sqrt(5-4x^2)) ?

The integral of 1/(sqrt(5-4x^2)) is 1/2 arcsin(2/(sqrt(5))x)+C

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integral of 1/(sqrt(5-4x^2))

\int \frac{1}{5 - 4 x ^{2}} d x

\frac{1}{2} arcsin (\frac{2}{5} x) + C

Solution steps

\int \frac{1}{5 - 4 x ^{2}} d x

Apply Trigonometric Substitution

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

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

Integral of a constant:

\int a d x = a x

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

Substitute back

u = arcsin (\frac{2}{5} x)

= \frac{1}{2} \cdot 1 \cdot arcsin (\frac{2}{5} x)

Simplify

= \frac{1}{2} arcsin (\frac{2}{5} x)

Add a constant to the solution

= \frac{1}{2} arcsin (\frac{2}{5} x) + C

\int_{0}^{2} 2 x - x^{3} d x

\int \frac{x + 5}{16 - ( x - 4 ) ^{2}} d x

f (x) = \frac{1}{5 x}

x \to 0 + lim (2 x + 8)

\frac{d}{d x} (tan (g (x)) (x))

What is the integral of 1/(sqrt(5-4x^2)) ?
The integral of 1/(sqrt(5-4x^2)) is 1/2 arcsin(2/(sqrt(5))x)+C