If , then the value of…

MATHEMATICS · Single correct · AP · Calculus AB · Differentiation: Definition and Fundamental Properties · Differentiation: Definition and Fundamental Properties

Problem

If f(x)=x+22x−4+x−22x−4f(x)=\sqrt{x+2\sqrt{2x-4}}+\sqrt{x-2\sqrt{2x-4}}, then the value of f′(2+)f'(2^+) is (1) −1-1 (2) 00 (3) 11 (4) does not exist

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