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Mathematics

Algebra of complex numbers

In this Class 11 Mathematics topic, students learn how complex numbers are represented as a + ib, where a and b are real numbers and i² = −1. They explore real and imaginary parts, equality, addition, subtraction, multiplication, division, conjugates, and modulus through clear algebraic methods. The topic also builds a foundation for understanding how complex numbers help solve quadratic equations that may not have real roots, within the chapter Complex Numbers and Quadratic Equations.

Expert · Level 1 · 1 questions

TOPIC PRACTICE

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  1. (−∞, −2) ∪ [1, ∞)
  2. [−2, 1]
  3. (−∞, −2] ∪ [1, ∞)
  4. (−2, 1]

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