Aspire Faculty ID #16185 · Topic: NIMCET 2011 · Just now
NIMCET 2011

Find $ \displaystyle \frac{d}{dx}\left( \sqrt{x} - \frac{5}{\sqrt{x}} \right) $

Solution

$ \displaystyle \frac{d}{dx}(\sqrt{x}) = \frac{1}{2\sqrt{x}},;; \frac{d}{dx}\left(\frac{5}{\sqrt{x}}\right)= 5\cdot\left(-\frac{1}{2}x^{-3/2}\right) $ So $ \displaystyle \frac{d}{dx}\left(\sqrt{x}-\frac{5}{\sqrt{x}}\right) = \frac{1}{2\sqrt{x}} + \frac{5}{2}x^{-3/2} $

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