AP EAMCET202124 Aug 2021Evening ShiftMathematicsInverse Trigonometric FunctionsActual
If ⁻¹ x= ⁻¹(3 x) , then x is equal to
Options
- A10 10
- B5 5
- C5 2 6
- D- 10 10
Correct answer
A. 10 10
Step-by-step solution
Given, ⁻¹ x= ⁻¹ 3 x aligned ⁻¹ ( 1-x^2 )= & ⁻¹ 3 x & [ ⁻¹ x= ⁻¹ 1-x^2 ] aligned array ll & 1-x^2 =3 x 1-x^2=9 x^2 & 10 x^2=1 x= 1 10 = 10 10 array