20?15?3?6=21
what's your sports? ...
the volume of a rectangular solid is ( x^3+3x^2+2x) cubic cm and its height is (x+1) cm, what is the area of the base?
y= x 2/3+0.9sin(kx) √3-x²
(sin theta - cos theta + 1) / (sin theta +cos theta -1) =
tan15?
$\sqrt{2x-3}$- $\sqrt{x-2}$ =1
5√108
