differentiation

Related Questions

• If $\sin y = x\cos (a + y),$ then $\frac{{dy}}{{dx}} = $

  ---

• If $u={{\tan }^{-1}}\frac{y}{x}$, then by Euler’s Theorem the value of x $\frac{\partial u}{\partial x}+y\frac{\partial u}{\partial y}=$

  ---

• The length of the side of a square sheet of metal is increasing at the rate of $4cm/\sec $ . The rate at which the area of the sheet is increasing when the length of its side is 2 cm, is

  ---

• If $xy={{c}^{2}},$ then minimum value of $ax+by$ is

  ---

• If $y = {\tan ^{ - 1}}(\sec x - \tan x)$then $\frac{{dy}}{{dx}} = $

  ---