Mathematics · Complex Numbers
Which of the following properties is correct for any two complex numbers z1 and z2?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1|z1 + z2| ≥ |z1| - |z2|
- 2|z1 + z2| = |z1| + |z2|
- 3arg(z1z2) = arg(z1) × arg(z2)
- 4|z1z2| = |z1||z2|✓
Correct answer
|z1z2| = |z1||z2|
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