The equation of a curve is given as $y=x^2+2-3 x$. The curve intersects the $x$-axis at
If $log_{10} (xy) = 2$, then the value of $xy$ is
The side of a square is increasing at the rate of $0.2\,cm / s$. The rate of increase of perimeter w.r.t. time is $...........\,cm / s$
If $\tan \theta=\frac{1}{\sqrt{5}}$ and $\theta$ lies in the first quadrant, the value of $\cos \theta$ is :