Question: Plzz solve..Thank u 3. Consider the vectors a = 21 - 3j + 4k and b = -i + 2j - k. a) Represent the

Plzz solve..Thank u

3. Consider the vectors a = 21 - 3j + 4k and b = -i + 2j - k. a) Represent the vector a using a 3D rectangular prism (box). b) Find a + b and a - b as algebraic vectors c) Find the magnitude of the vector -2a + 3b

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