Can anyone help solve the below by First Principles sqrt x-1 using formula F(x) = (X+H) - f(x) / H

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Originally Posted by amle Can anyone help solve the below by First Principles sqrt x-1 using formula F(x) = (X+H) - f(x) / H $\dfrac{{\sqrt {x + h} - \sqrt x }}{h} = \dfrac{1}{{\sqrt {x + h} + \sqrt x }}$

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