Example: let u and v are two solution of y" + p(x) y' + o(x) y = 0 defined on [a,b] (a) w(u,v) =0u&v are linearly dependent, x ea,b (a) (b) w(u, v) = 0u&v are l

Example: Let u and v are two solution of y" + P(x) y' + O(x) y = 0 defined on [a,b] (a) W(u,v) =0u&v are linearly dependent, x ea,b (a) (b) W(u, v) = 0u&v are linearly dependent (c) W(u, v) = 0 for some x W (u, v) = 0 (d) w(u, v) z 0, Vx but u &v are linearly dependent.