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MCQ:

One root of the equation x² + 1 = 0 is ι the other is

  1. −ι
  2. ι²
  3. −1
  4. None of Above

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The App: Fourth Root of Unity MCQs App to study Fourth Root of Unity Textbook, College Math MCQs App, and 10th Grade Math MCQs App. The "Fourth Root of Unity MCQs" App download with free College Math Apps (Android & iOS) includes complete analytics with interactive assessments. Download App Store & Play Store learning Apps & enjoy 100% functionality with subscriptions!

Fourth Root of Unity App (Android & iOS)

Fourth Root of Unity App (Android & iOS)

College Math App (Android & iOS)

College Math App (iOS & Android)

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10th Grade Math App (Android & iOS)

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8th Grade Math App (iOS & Android)