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Complex Numbers, Operations with complex numbers - IB Mathematics HL

How can we find

given that

and

Thanks

How can we find

given that

and

Thanks

- lora
**Posts:**0**Joined:**Wed Apr 10, 2013 7:36 pm

The sum (or the difference) of two complex numbers is the complex number which its real part is made up of the sum (or the difference) of their real parts and its imaginary parts is made up of the sum (or the difference) of their imaginary parts.

Therefore

The multiplication is performed as usual and using the fact that we have the following

and

Therefore

The multiplication is performed as usual and using the fact that we have the following

and

- lily
**Posts:**0**Joined:**Mon Jan 28, 2013 8:04 pm

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