Question: Find AB for the following vectors: (a) A = 3 i - 6 j, B = -4 i + 2 j; (b) A = 5

Find A·B for the following vectors:

(a) A = 3 i - 6 j, B = -4 i + 2 j;

(b) A = 5 i + 5 j, B = 2 i - 4 j;

(c) A = 6 i + 4 j, B = 4 i - 6 j.

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