If $F = \frac{2}{{\sin \,\theta + \sqrt 3 \,\cos \,\theta }}$, then minimum value of $F$ is
$0$
$-2$
$1$
$2$
${F_{\min }} = \frac{2}{{\sqrt {1 + 3} }} = 1$
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 $………..\,cm / s$
The slope of the tangent to the curve $y = ln\, (cos\,x)$ a $x = \frac{3\pi}{4}$ 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 :
Magnitude of slope of the shown graph.
A cuboidal block has dimension $(1.5 × 1.5 × 1.0)\ \ cm$ what is the surface area of cuboid (in $cm^2$)
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