If $F = \frac{2}{{\sin \,\theta  + \sqrt 3 \,\cos \,\theta }}$, then minimum value of $F$ is

  • A

    $0$

  • B

    $-2$

  • C

    $1$

  • D

    $2$

Similar Questions

If $y = 1 + x + {{{x^2}} \over {2!}} + {{{x^3}} \over {3!}} + .....\infty ,$then ${{dy} \over {dx}} = $

The equation of a curve is given as $y=x^2+2-3 x$. The curve intersects the $x$-axis at

The area $'A'$ of a blot of ink is growing such that after $t$ second its area is given by $A = (3t^2 + 7)\,cm^2$. Calculate the rate of increase of area at $t = 2\, sec$. .......... $cm^2/s$

Frequency $f$ of a simple pendulum depends on its length $\ell$ and acceleration $g$ due to gravity according to the following equation $f=\frac{1}{2 \pi} \sqrt{\frac{ g }{\ell}}$. Graph between which of the following quantities is a straight line?

${d \over {dx}}({x^2}{e^x}\sin x) = $