(3 marks) Let r Є R and u = v ■- (2) - (+) w- () (+), -4 " W = For which values r = R is the set {u, v, w} linearly independent?

OWite pesi ble, where linear Combination of V and w it as (1, -1) . En ter your 4= (1, 2) and answa in ferms of U and W. if not pecai ble, enter V= (2,1) V =

28. Is C a real vector space? Explain.

Let For what value of h is y in the plane spanned by v1 h 1 --·--· ·- V1 = 2 V2 = -3 y = = -2 and v₂? 5 14 h