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Operations with Complex Numbers

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Presentation on theme: "Operations with Complex Numbers"— Presentation transcript:

1 Operations with Complex Numbers
Radicals Operations with Complex Numbers

2 Remember … Simplify: 1. 2x + 3y – x + y = x + 4y 2. (x + 3)(x – 3)
= x2 – 3x + 3x - 9 = x2 – 9 3. ( ) 4. i2 Aim: Add, subtract, multiply and/or divide complex numbers in order to simplify.

3 Add Complex Numbers Adding complex numbers is similar to
adding polynomials. Find the sum of 4 + 2i and 2 – 5i. Keep the real numbers together, keep the imaginary numbers together. Aim: Add, subtract, multiply and/or divide complex numbers in order to simplify.

4 Graph 4 + 2i i 6 - 3i Aim: Add, subtract, multiply and/or divide complex numbers in order to simplify.

5 Subtract Complex Numbers
Subtracting complex numbers is similar to subtracting polynomials. ( ) + Aim: Add, subtract, multiply and/or divide complex numbers in order to simplify.

6 Multiply Complex Numbers
Multiplying complex numbers is similar to multiplying polynomials. Aim: Add, subtract, multiply and/or divide complex numbers in order to simplify.

7 The Complex Conjugate The complex conjugate is similar to
the radical conjugate. ( ) Aim: Add, subtract, multiply and/or divide complex numbers in order to simplify.

8 Divide Complex Numbers
Dividing complex numbers is similar to Hey … we just divided complex numbers. Aim: Add, subtract, multiply and/or divide complex numbers in order to simplify.


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