differentiation

Related Questions

• The number of values of x where the function $f(x)=\cos x+\cos (\sqrt{2}x)$ attains its maximum is

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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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• If the function $f(x)={{x}^{4}}-62{{x}^{2}}+ax+9$ is maximum at $x=1$ , then the value of a is

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• For the every value of x the function $f(x)=\frac{1}{{{5}^{x}}}$is

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• The interval of the decreasing function $f(x)={{x}^{3}}-{{x}^{2}}-x-4$is

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