MHT CET202210 Aug 2022Morning ShiftMathematicsInverse Trigonometric FunctionsActual
The value of [2 ⁻¹ ( 1 5 )- 4 ] is
Options
- A7 17
- B- 7 17
- C- 17 7
- D17 7
Correct answer
B. - 7 17
Step-by-step solution
aligned & 2 ⁻¹ ( 1 5 )- 4 = ⁻¹ 2 1 5 1- ( 1 5 )^2 - ⁻¹(1)= ⁻¹ 5 12 - ⁻¹(1) & = ⁻¹ ( 5 12 -1 1+ 5 12 1 )= ⁻¹ ( -7 17 ) & 2 ⁻¹ 1 5 - 4 = -7 17 aligned