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Let a = 2i+j, b=i- j - 2k, and c = 1 c = j - 3k. (a) Calculate axb. (b) What is the

Let a = 2i+j, b=i- j - 2k, and c = 1 c = j - 3k. (a) Calculate axb. (b) What is the area of the parallelogram spanned by a and b? (c) What is the volume of the parallelopiped spanned by a, b, and c?

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