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Simplify equation 9/-4-7i
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4 votes
4 votes
Simplify equation 9/-4-7i

User ConstantineUA
by
3.8k points

1 Answer

3 votes
3 votes

Answer:


- (36)/(65) + (63)/(65) i

Explanation:


(9)/( - 4 - 7i)

➡️
(9( - 4 + 7i))/(( - 4 - 7i) * ( - 4 + 7i))

➡️
\frac{ - 36 + 63i}{16 - 49 {i}^(2) }

➡️
( - 36 + 63i)/(16 - 49 * ( - 1) )

➡️
( - 36 + 63i)/(16 + 49)

➡️
( - 36 + 63i)/(65)

➡️
- (36)/(65) + (63)/(65) i ✅

User Frederik Voordeckers
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3.4k points
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