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1 vote
Conjugate of 8+4i ...?

2 Answers

0 votes
8 + 4i × 8 - 4i / 8 - 4i
64 - 16i^2 / 8 - 4i
64 - 16 ( - 1 ) / 8 - 4i
64 + 16 / 8 - 4i
80 / 8 - 4i
10 - 20i
User Kuujinbo
by
7.4k points
1 vote
The conjugate of any complex number in the form
α + βi
is
α - βi
So the conjugate of
8 + 4i
is
8 - 4i
User Ryan Walker
by
7.4k points