Let 21 and 22 be complex numbers. In particular, let z₁ = a + bi and 22 = c + di, where a, b, c, d are real numbers. (a) Show that the conjugate of the sum of 2₁ and 22 is the same as the sum of their conjugates. That is, show that 21+22= 21+%2 (b) Show that the conjugate of the product of 2₁ and 22 is the same as the product of their conjugates. That is, show that 21 22 = 21 22 .

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