Iff(x)=√x+2√2x-4+√x-2√2x-4,then, f(x) is differentiable on

Question

Iff(x)=√x+2√2x-4+√x-2√2x-4,then, f(x) is differentiable on (A) (-∞,∞) (B) (2,∞)-4 (C) (2,∞) (D) none of these.

Tardigrade Admin · Accepted Answer

Correct answer is (b) (2,∞)-4

Q. If $f (x) = x + 2 2 x - 4 + x - 2 2 x - 4, t h e n, f (x) i s$ differentiable on