Question Number 100902 by bemath last updated on 29/Jun/20

solve y′′−4y′+4y=0 with variation method

Commented bybramlex last updated on 29/Jun/20

AE : λ^2 −4λ+4 =0 (λ−2)^2 = 0 ⇒λ = 2; 2 y = Ae^(2x) + Bxe^(2x) ★