differentiation

Question: The values of x, at which the first derivative of the function ${\left( {\sqrt x + \frac{1}{{\sqrt x }}} \right)^2}$w.r.t. x is $\frac{3}{4}$, are

1) $ \pm \,2$

2) $ \pm \frac{1}{2}$

3) $ \pm \frac{{\sqrt 3 }}{2}$

4) $ \pm \frac{2}{{\sqrt 3 }}$

Solution:

Explanation: Explanation

standard-differentiation

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