AP EAMCET202023 Sep 2020Morning ShiftMathematicsIndefinite IntegrationActual
∫ x n - 1 x 2 n + 4 d x =
Options
- A1 2 n tan - 1 x n 2 + c
- Bn 2 tan - 1 x n 2 + c
- Cn 2 sin - 1 x n 2 + c
- D1 n tan - 1 x n 2 + c
Correct answer
A. 1 2 n tan - 1 x n 2 + c
Step-by-step solution
∫ x n - 1 x 2 n + 4 d x x n = t ⇒ n x n - 1 d x = d t = 1 n ∫ d t t 2 + 4 = 1 2 n tan - 1 t 2 + c = 1 2 n tan - 1 x n 2 + c