Question 1189370: Express (2+i)(4+i) in the form a+bi, where a and b are real numbers.
Answer by ikleyn(52775)   (Show Source):
You can put this solution on YOUR website! .
Several similar problems just were solved today.
It is just time for you to learn the subject based on solutions, that were posted to you . . .
Do you think differently ?
Do you want the tutors make the multiplication table for one million of complex numbers ?
Would it be enough for you then ?
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