Question

$\int \frac { d x } { \sqrt { 2 x - x ^ { 2 } } }$ is equal to

• A. sin^–1 (1 - x) + c
• B. – cos^–1 (1 – x) + c
• C. sin^-1 (x – 1) + c
• D. cos^-1 (x – 1) + c

Answer 1

Answer: (C)

sin^-1 (x – 1) + c

Answer 2

Let