(Choose 1 answer)
(See picture)
Α. (iv)
B. (i)
C. (iii)
D. (ii)
T T Let x = [X1 X2], y = [y1 y2] in R2.The cosine of the angle between the vectors T T [21] and [-1 1) using the inner product (x, y) = X1Y1+X1Y2 + X2Y1 + 3x2Y2 is:
(i)-2√11
(ii)2
- (!!!)
(iv)211
