InterviewSolution
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InterviewSolution
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Fill in the blanks:If z1 and z2 are complex numbers such that z1 + z2 is a real number, then z2 = …….. |
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Answer» Let z1 = x1 + iy1 and z2 = x2 + iy2 ⇒ z1 + z2 = (x1 + x2) + i (y1 + y2) which is real ⇒ y1 + y2 = 0 ⇒ y1 = - y2 Assuming x1 = x2 Since z2 = x1 – iy1 ∴ z2 = z̅ 1 |
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