SOLUTION: what is the recipical of 7-4i/5

SOLUTION: what is the recipical of 7-4i/5

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Question 176897: what is the recipical of 7-4i/5
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
The easy answer is .
Teacher's typically don't like complex numbers in the denominator.
So multiply numerator and denominator by the complex conjugate,

.
.
.
The reciprocal of (7-4i)/5 is (7/13)+(4/13)i.
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