so, my assignment is due in 4 hours, but i can't solve this eqn
dy/dt = -y^4 + 2y^3 + 63y^2
my TA told me to isolate the equation for -y^2, and that's what i got:
dy/dt = -y^2(y^2 - 2y - 63)
= -y^2(y - 9)(y + 7)
i have no clue to solve it...
so, my assignment is due in 4 hours, but i can't solve this eqn
dy/dt = -y^4 + 2y^3 + 63y^2
my TA told me to isolate the equation for -y^2, and that's what i got:
dy/dt = -y^2(y^2 - 2y - 63)
= -y^2(y - 9)(y + 7)
i have no clue to solve it...