Multiply numerator and denominator by 8-i to make the denominator real.
(5-4i)(8-i)/[8+i)(8-i)] = [40-37i-4]/65
= (36-37i)/65
(5-4i)/(8+i) ~ simplify the expression
(i=imaginary #)
help plz! thanks!
4 answers
(5-4i)(8+i)=40+5i-40i-4i*i(4 square) =40-35i-4i*i
Rita: The question did not ask for a multiplication. It was a division. Your multiplication also contains an error.
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