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Simplify by Rationalizing the Denominator 9+8i54i\frac { 9 + 8 i } { 5 - 4 i }

Question 22

Multiple Choice

Simplify by rationalizing the denominator. Write your answer in a +bi form.
- 9+8i54i\frac { 9 + 8 i } { 5 - 4 i }


A) 139\frac { 13 } { 9 }
B) 7741441i\frac { 77 } { 41 } - \frac { 4 } { 41 } \mathrm { i }
C) 779769i\frac { 77 } { 9 } - \frac { 76 } { 9 } \mathrm { i }
D) 1341+7641i\frac { 13 } { 41 } + \frac { 76 } { 41 } \mathrm { i }

Correct Answer:

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