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Question: a write x yu v x y and point out...

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(a) Write (x, y)+(u, v) (x, y) and point out how it follows that the complex number 0 (0,0) is unique as an additive identity. (b) Likewise, write (x, y) (u, v) - (x, y) and show that the number 1- (1,0) is a unique multiplicative identity.

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