NDA2024MathematicsInverse Trigonometric FunctionsActual
If 4 ⁻¹ x+ ⁻¹ x= , then what is ⁻¹ x+4 ⁻¹ x equal to?
Options
- A2
- B3 2
- C2
Correct answer
C. 2
Step-by-step solution
(c) We have given, 4 ⁻¹ x+ ⁻¹ x= . aligned & 4 ( 2 - ⁻¹ x )+ ( 2 - ⁻¹ x )= & ⁻¹ x+ ⁻¹ x= 2 aligned aligned & 2 -4 ⁻¹ x+ 2 - ⁻¹ x= & 4 ⁻¹ x+ ⁻¹ x= 3 2 aligned