If $y = x\sin x,$then
- A${1 \over y}{{dy} \over {dx}} = {1 \over x} + \cot x$
- B${{dy} \over {dx}} = {1 \over x} + \cot x$
- C${1 \over y}{{dy} \over {dx}} = {1 \over x} - \cot x$
- DNone of these
Similar Questions
The coordinates of a particle moving in $XY$-plane vary with time as $x=4 t ^2 ; y=2 t$. The locus of the particle is a :-
The coordinates of a particle moving in $XY$-plane vary with time as $x=4 t ^2 ; y=2 t$. The locus of the particle is a :-
If $y = {1 \over {a - z}},$then ${{dz} \over {dy}} = $
A particular straight line passes through origin and a point whose abscissa is double of ordinate of the point. The equation of such straight line is :
A particular straight line passes through origin and a point whose abscissa is double of ordinate of the point. The equation of such straight line is :
If $log_{10} (xy) = 2$, then the value of $xy$ is
If $log_{10} (xy) = 2$, then the value of $xy$ is
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?
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?