For the vectors a = (3, 12) and b = (6, 9), find orthab. orthab Illustrate by drawing the vectors a, b, projab and orthab. y 12 10 8 6 4 2 proj b on a a 2 orth b on a b 4 6 Co 8 10 X 12 B y 12 10 8 6 4 2 proj b on a 2 b orth b on a a 4 6 8

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