(10^2-7*10)/(4+2*3)
(20)/(1+125(0.00591))
(32/243)-3/5
inverse of
$$\begin{bmatrix} 9 & 5& -36 \\\\ -5 & -3 & 21 \\\\ -2 & -1 & 8 \end{bmatrix}$$
\(\frac{k^{2}+5k+4}{4k^{2}+20k+24}\)
find the equation of the ellipse with directrix y+22/3=0, center at (4,1) and one focus at (4,-2)
tan x-cot x
tan x + cot x =sin2x-cos2x
(20)/(1+125(0.000591))
$2x^{2}$+4x+16
-2/3x+5
52008รท100