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)  ★