AP EAMCET202316 May 2023Evening ShiftMathematicsTrigonometric Ratios & IdentitiesActual
If 2 x= x , then x=
Options
- A1 3 2
- B2 3
- C1 2 3
- D9
Correct answer
C. 1 2 3
Step-by-step solution
Given 2 x= h x aligned & 2 ( e ^ x - e ^ - x 2 )= e ^ x + e ^ - x 2 2 e ^ x -2 e ^ - x = e ^ x + e ^ - x & e ^ x =3 e ^ - x e ^ 2 x =3 x = 1 2 _ e 3 aligned