differentiation

Related Questions

• $\frac{d}{{dx}}\left[ {{{\tan }^{ - 1}}\left( {\frac{{a - x}}{{1 + ax}}} \right)} \right] = $

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• If $u={{x}^{2}}{{\tan }^{-1}}\frac{y}{x}-{{y}^{2}}{{\tan }^{-1}}\frac{x}{y}$, then $\frac{{{\partial }^{2}}u}{\partial x\,\partial \,y}=$

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• $f(x)={{x}^{3}}-27x+5$is an increasing function, when

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• If $P=(1,\,1)$ , $Q=(3,\,2)$ and R is a point on x-axis then the value of $PR+RQ$ will be minimum at

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• If $f(x)=\sin x-\cos x,$ the function decreasing in $0\le x\le 2\pi $ is

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