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Complex numbers.

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Presentation on theme: "Complex numbers."— Presentation transcript:

1 Complex numbers

2 Extending the number system

3 Operations with complex numbers
Do Q1-Q5, pp.226

4 Solving equations

5 Conjugate complex numbers
If a quadratic equation with real coefficients has two complex roots, these roots are conjugate.

6 Conjugate roots for polynomials

7 Conjugate roots for polynomials
Do Q3-Q10, p.230

8 Equations with complex coefficients

9 Geometrical representations
Complex numbers in the plane can be represented in two ways.

10 Argand diagram- examples
Do Q1-Q5, p.239

11 Vector versus Argand Addition Subtraction

12 The modulus

13 Properties of the modulus
Do Q1-Q8, pp Do Q1, Q2, Q6, Q7, Q8, pp


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