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How do I simplify? 4/(1+i) the answer is supposed to be 2-2i ??
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conflagerate the bottom....
multiply the top and bottom by the conjugate of (1+i) which is (1-i). Simplify.
\[\frac{4}{1+i} * \frac{1-i}{1-i}\]
conjugate! thats the word I wanted lol
4-4i/1+i-i-i2 i2=1 so 4-4i/2 simplify to get 2-2i
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i2=-1
Awesome, thank you so much for your help!
welcome from the both of us!
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