SOLUTION: 5+4i/4-i
Algebra.Com
Question 690158: 5+4i/4-i
Found 2 solutions by solver91311, ReadingBoosters:
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Multiply your fraction by 1 in the form of the conjugate of the denominator divided by itself.
Use FOIL. Remember, the product of two conjugates is the difference of two squares, but since 
, the product of two COMPLEX conjugates is the SUM of two squares.
John
Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
Answer by ReadingBoosters(3246) (Show Source): You can put this solution on YOUR website!
...
...
numerator
20 + 21i + 4(-1) = 16+21i
denominator = 16 - -1 = 17
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