A cuboidal block has dimension $(1.5 × 1.5 × 1.0)\ \ cm$ what is the surface area of cuboid (in $cm^2$)
The greatest value of the function $-5 \sin \theta+12 \cos \theta$ is
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 $t = 2\, sec$. .......... $cm^2/s$