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Ex 4.1, 5 - Chapter 4 Class 11 Complex Numbers
Last updated at April 16, 2024 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)
Transcript
Ex5.1, 5 Express the given Complex number in the form a + ib: (1 – i) – (–1 + i6) (1 – i) − (−1 + i 6) = (1 – i) – (−1) − i 6 = 1 – i + 1 − i 6 = 1 + 1 – i – i6 = (1 + 1) + i(− 1 − 6) = 2 + (− 7i) = 2 − 7i
