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Question 1 - Quadaratic equation - Chapter 4 Class 11 Complex Numbers
Last updated at August 5, 2026 by Teachoo
Chapter 4 Class 11 Complex Numbers
Concept wise
-
Quadaratic equation
- Two complex numbers equal
- Convert to a + ib form
- Identities (square, cube of 2 complex numbers)
- Division
- Power of i(odd and even)
- Conjugate
- Modulus,argument
- Polar representation
- Proof- Replacing iota with -iota
- Proof- Taking general complex numbers
- Proof- Solving
- Proof- Using modulus conjugate property (Pg 102)
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Transcript
Question 1 Solve the equation š„2 + 3 = 0 Now, š„2 + 3 = 0 š„2 = ā3 š = Ā± ā(āš) š„ = Ā± ā(ā1 Ć 3) š = Ā± ā(āš) Ć āš š„ = Ā± i Ć ā3 š = Ā± āš i
