If z1 = 5 + 7i and z2 = -2 + 3i, what is the value of z1 + z2?

3 + 10i

7 + 4i

3 + 4i

7 + 10i

Answer and Solution

A. 3 + 10i

z1 + z2 = (5 - 2) + (7 + 3)i = 3 + 10i.

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