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যদি

y = (\frac{1}{\sqrt[n]{x}})^{\frac{1}{n}}

\frac{d y}{d x}

এর মান কোনটি ?

(\frac{1}{x})^{\frac{1}{n x}}

(\frac{1}{n})^{\frac{1}{n x}}

(\frac{1}{n x})^{\frac{1}{n x}}

(\frac{1}{x})^{\frac{1}{n x}} [\frac{1}{n} (\frac{\log_{e} x - 1}{x^{2}})]

(\frac{1}{x})^{\frac{1}{n x}} [\frac{1}{n} (\frac{\log_{e} x - 3}{x^{2}})]

ANS : 4

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