dx/dt + X - dy/dt +Y = 0
dx/dt + dy/dt + 2Y = 0
x(0) = 0, y(0) = 0
15% of 25000
6x^2 − x −12/3x^2 − 5x −12
60% of 25000
20% of 25000
25% of 25000
40% of 25000
3+2a-a²
9x^2+12xy+16y^2
FActorise
