Mathematics · Complex Numbers
What is the condition on the angle θ such that the complex number z = eiθ is purely real? (where n is an integer)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1nπ2
- 2(2n+1)π2
- 3nπ✓
- 42nπ
Correct answer
nπ
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