AP EAMCET202318 May 2023Evening ShiftMathematicsFunctionsActual
If f : R 0 R is defined by f ( x )= x + 1 x , then the value of ( f ( x ))^2=
Options
- Af ( x )+ f (0)
- Bf (x^2 )+f(2)
- Cf (x^3 )+f(0)
- Df (x^2 )+f(1)
Correct answer
D. f (x^2 )+f(1)
Step-by-step solution
aligned & Given : f ( x )= x + 1 x & array l ( f ( x ))^2= x ^2+ 1 x ^2 +2 x 1 x ( f ( x ))^2= x ^2+ 1 x ^2 +2 ( f ( x ))^2= f ( x ^2 )+ f (1) [ f (1)=2] array aligned