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Ex 4.1, 1 - Chapter 4 Class 11 Complex Numbers
Last updated at May 29, 2023 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
Ex 4.1, 1 Express the given Complex number in the form a + ib: (5𝑖) (−3/5 𝑖) (5𝑖) (−3/5 𝑖) = 5 × (−𝟑)/𝟓 × (i × i) = −3 × i × i = −3 × i 2 = −3 × −1 = 3 = 3 + 0 = 3 + i 0
