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[" If "f(x)=(x)/(sqrt(x+1)-sqrt(x))" be ...

[" If "f(x)=(x)/(sqrt(x+1)-sqrt(x))" be a real valued function "],[" then: "],[0" f(x) is continuous,but "f'(0)" does not "],[" exist "],[" O "f(x)" is differentiable at "x=0],[" O "f(x)" is not continuous at "x=0],[" (x) is not differentiable at "x=0]

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