differentiation

Related Questions

• If $u={{x}^{2}}+{{y}^{2}}$ and $x=s+3t,y=2s-t,$ then $\frac{{{d}^{2}}u}{d{{s}^{2}}}=$

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• A body moves according to the formula $v=1+{{t}^{2}}$ , where v is the velocity at time t. The acceleration after 3 sec will be (v in cm/sec)

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• The equations of motion of two stones thrown vertically upwards simultaneously are $s=19.6\,t-4.9\,{{t}^{2}}$ and $s=9.8\,t-4.9\,{{t}^{2}}$ respectively and the maximum height attained by the first one is h. When the height of the first stone is maximum, the height of the second stone will be

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• The speed $v$ of a particle moving along a straight line is given by $a+b{{v}^{2}}={{x}^{2}}$ (where x is its distance from the origin). The acceleration of the particle is

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• ${{x}^{x}}$ has a stationary point at

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