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

Let a = -i + J + 2k. b = j - 2k, and e = 3i - J + 4k. Find each of the following if they are defined.
a. a + b + c
b. b ∙ c
c. a ∙ (b × c)
d. a × (b ∙ c)
e. ||a - b||
f. ||b × c||

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