Let a and b be vectors in R?. (a.) Derive the area(2b + 5a, b – 2a) in terms of area(a, b). Explain which property is used in every step of derivation. (b.) Let a = (a1, a2) and b = (b1,b2). The area(a, b) is given by aıb2 - azb1. Compute the area in (a.) when a = (3, -2) and b = (1,1).

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