Question: Let a = -2i + 3j, b = 2i - 3j, and = -5j. Find each of the following: a. 2a - 4b b. a

Let a = -2i + 3j, b = 2i - 3j, and = -5j. Find each of the following:
a. 2a - 4b
b. a ∙ b
c. a ∙ (b + c)
d. (-2a + 3b) ∙ 5c
e. ||a||c ∙ a
f. b ∙ b - ||b||

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