1. ## Cambridge Complex help

Hey guys,

Was just wondering how to do Q5a from 2.1 in 4u cambridge?

2. ## Re: Cambridge Complex help

It would helpful to post a pic of the question

3. ## Re: Cambridge Complex help

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4. ## Re: Cambridge Complex help

Here is q4 as well

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5. ## Re: Cambridge Complex help

Originally Posted by supR
Here is q4 as well

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https://ibb.co/jYbQi6

6. ## Re: Cambridge Complex help

Originally Posted by supR
Here is q4 as well

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For these questions, what you would do is let $z_1=x_1+iy_1$ and $z_2=x_2+iy_2$. From here, you would substitute $z_1$ and $z_2$ into the LHS and RHS and show that the results are equal.

7. ## Re: Cambridge Complex help

Thanks to both of you guys, your solutions helped!

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