8r+y=5r for y
32x^7-12x^5/4x^3
17/5 + 21/11
x^3-2=0
6.6 times 6 =
FIND NULL SPACE OF A
A= $$\begin{bmatrix} 1 & 4 & -1 & 1 \\\\ 2 & 11 & 1 & 3 \\\\ 4 & 22 & 2 & 6 \end{bmatrix}$$
a cold water tap can fill a bath in 5 minutes while a hot water tap can fill it in 6 minutes the drainage pipe can empty the full ...
triplete numere 3p^3-5q^4-2r^2=26
-6t + 8h -4t – 4b + 3t +7h + 9h -8b simplfy
y^3-4=0