Solve the problem. 3 -21 Let a1 = a2 = ,and b = -9 33 Determine whether b can be written as a linear combination of a, and az. In other words, determine whether weights x, and X2 exist, such that x1 aq + X2 a2 = b. Determine the weights x1 and x2 if possible. Select one: A.x'= -3, x²= 4 B.x' = -2, x= 2 Cx'= -3, x²= 3 D.No solution

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