Differentiate $f(x) = \tan x + \sqrt{x} + 1/\sqrt{x}$.
University of Ilorin MTH102 andriod past question
- $\sec^2 x + 1/(2\sqrt{x}) - 1/(2\sqrt{x^3})$
- $\sec^2 x + 1/(2\sqrt{x}) + 1/(2\sqrt{x^3})$
- $\sec^2 x - 1/(2\sqrt{x}) - 1/(2\sqrt{x^3})$
- $\csc^2 x + 1/(2\sqrt{x}) - 1/(2\sqrt{x^3})$
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