Example 9 - Chapter 5 Class 11 Complex Numbers

Last updated at Sept. 24, 2018 by Teachoo

Example 9 - Solve x2 + 2 = 0 - Chapter 5 Class 11 - Quadaratic equation

Transcript

Example 9 - Chapter 5 Class 11 Complex Numbers - NCERT Solve 𝑥^2 + 2 = 0 𝑥2 + 2 = 0 𝑥2 = 0 – 2 𝑥2 = – 2 𝑥 = ± √(−2) = ± √(−1 × 2) (i = √(−1 )) = ± √(−1) × √2 = ± i × √2 = ± √2i

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Chapter 5 Class 11 Complex Numbers

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Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.