CUET Preparation Today
If f(x) = |x - 25| and g(x) = f(f(x)) then for x > 50, g'(x) is equal to |
0 1 25 None of these |
1 |
g(x) = f(f(x)) = f(|x - 25|) = ||x - 25|- 25| and for x > 50, g(x) = |x - 25 - 25| = |x – 50| = x - 50 ⇒ g'(x) = 1. Hence (B) is the correct answer. |
