BITSAT2021MathematicsInverse Trigonometric FunctionsActual
The value of (2 ⁻¹ x+ ⁻¹ x ) at x= 1 5 is
Options
- A- 2 6 5
- B-2 6
- C- 6 5
- DNone of these
Correct answer
A. - 2 6 5
Step-by-step solution
[2 ⁻¹ x+ ⁻¹ x ]= [ ⁻¹ x+ ⁻¹ x+ ⁻¹ x ]= [ ⁻¹ x+ 2 ]=- [ ⁻¹ x ]=- [ ⁻¹ 1-x² ]=- 1-x² =- 1- ( 1 5 )² =- 24 25 =- 2 6 5