57/7
7.92 × 10−2
(4×10−3)
49m^4+140m^2+100=
if u=tan-1(y/x),x=e^t-e^-t and y=e^t+e^-t then find du/dt
solve for x in y= 2/8x^6
7.35 divide 0.22
Q=aP^n
1.25(x - y) = 2
-2(x) + - y = -4
(3z^5+7z^2)^2=
$81 \cdot {p}^{8} - 100 = \left(9 p^{4} - 10\right) \left(9 p^{4} + 10\right)$