What is the integral of 5/(2sqrt(3x-x^2)) ?

The integral of 5/(2sqrt(3x-x^2)) is 5/2 arcsin(2/3 x-1)+C

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integral of 5/(2sqrt(3x-x^2))

\int \frac{5}{2 3 x - x ^{2}} d x

\frac{5}{2} arcsin (\frac{2}{3} x - 1) + C

Solution steps

\int \frac{5}{2 3 x - x ^{2}} d x

Take the constant out:

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

= \frac{5}{2} \cdot \int \frac{1}{3 x - x ^{2}} d x

Complete the square

3 x - x^{2} : - (x - \frac{3}{2})^{2} + \frac{9}{4}

= \frac{5}{2} \cdot \int \frac{1}{- ( x - \frac{3}{2} ) ^{2} + \frac{9}{4}} d x

Apply u-substitution

: \int \frac{2}{- 4 u ^{2} + 9} d u

= \frac{5}{2} \cdot \int \frac{2}{- 4 u ^{2} + 9} d u

Take the constant out:

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

= \frac{5}{2} \cdot 2 \cdot \int \frac{1}{- 4 u ^{2} + 9} d u

Apply Trigonometric Substitution

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

= \frac{5}{2} \cdot 2 \cdot \int \frac{1}{2} d v

Take the constant out:

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

= \frac{5}{2} \cdot 2 \cdot \frac{1}{2} \cdot \int 1 d v

Integral of a constant:

\int a d x = a x

= \frac{5}{2} \cdot 2 \cdot \frac{1}{2} \cdot 1 \cdot v

Substitute back

= \frac{5}{2} \cdot 2 \cdot \frac{1}{2} \cdot 1 \cdot arcsin (\frac{2}{3} (x - \frac{3}{2}))

Simplify

\frac{5}{2} \cdot 2 \cdot \frac{1}{2} \cdot 1 \cdot arcsin (\frac{2}{3} (x - \frac{3}{2})) : \frac{5}{2} arcsin (\frac{2}{3} x - 1)

= \frac{5}{2} arcsin (\frac{2}{3} x - 1)

Add a constant to the solution

= \frac{5}{2} arcsin (\frac{2}{3} x - 1) + C

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What is the integral of 5/(2sqrt(3x-x^2)) ?
The integral of 5/(2sqrt(3x-x^2)) is 5/2 arcsin(2/3 x-1)+C