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Question
For Z1, Z2 ∈ C the valuer of |Z1 + Z2 |2 + |Z1 - Z2 |2 will be:
Options
2 (|𝑍1 + 𝑍2 |2)
|𝑍1|2 + |𝑍2|2
|𝑍1|2 + |𝑍2|2 − |𝑍1| + |𝑍2|
2 |𝑍1|2 + |𝑍2|2
MCQ
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Solution
2 (|𝑍1 + 𝑍2 |2)
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Number System (Entrance Exam)
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