differentiation

Related Questions

• Differential coefficient of ${{\cos }^{-1}}(\sqrt{x})$with respect to $\sqrt{(1-x)}$ is

  ---

• The length of normal to the curve $x=a\,(\theta +\sin \theta ),$ $y=a(1-\cos \theta )$ at the point $\theta =\pi /2$ is

  ---

• 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

  ---

• The sides of an equilateral triangle are increasing at the rate of 2 cm/sec. The rate at which the area increases, when the side is 10 cm is

  ---

• If $f(2) = 4$, $f'(2) = 1$then $\mathop {\lim }\limits_{x \to 2} \frac{{xf(2) - 2f(x)}}{{x - 2}} = $

  ---