Question

d^3y/dx^3 -2d^2y/dx^2+4dy/dx-8y=0

Answer 1

Step-by-step explanation:

let y = ax³+bx²+cx+d

dy/dx = 3ax²+2bx+c

d²y/dx² = 6ax+2b

d³y/dx³ = 6a

Answer:

(6a)-2(6ax+2b)+4(3ax²+2bx+c)-8(ax³+bx²+cx+d)