What is the integral of 7/(sqrt(25-(x+5)^2)) ?

The integral of 7/(sqrt(25-(x+5)^2)) is 7arcsin(1/5 x+1)+C

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integral of 7/(sqrt(25-(x+5)^2))

\int \frac{7}{25 - ( x + 5 ) ^{2}} d x

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

Solution steps

\int \frac{7}{25 - ( x + 5 ) ^{2}} d x

Take the constant out:

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

= 7 \cdot \int \frac{1}{25 - ( x + 5 ) ^{2}} d x

Apply u-substitution

= 7 \cdot \int \frac{1}{25 - u ^{2}} d u

Apply Trigonometric Substitution

= 7 \cdot \int 1 d v

Integral of a constant:

\int a d x = a x

= 7 \cdot 1 \cdot v

Substitute back

= 7 \cdot 1 \cdot arcsin (\frac{1}{5} (x + 5))

Simplify

7 \cdot 1 \cdot arcsin (\frac{1}{5} (x + 5)) : 7 arcsin (\frac{1}{5} x + 1)

= 7 arcsin (\frac{1}{5} x + 1)

Add a constant to the solution

= 7 arcsin (\frac{1}{5} x + 1) + C

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What is the integral of 7/(sqrt(25-(x+5)^2)) ?
The integral of 7/(sqrt(25-(x+5)^2)) is 7arcsin(1/5 x+1)+C