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Andressa55
@Andressa55
October 2020
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Efetue as seguintes divisões:
a) 5+3i/5-3i
b) 3+i/5-i
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3478elc
Verified answer
Efetue as seguintes divisões:
a) 5+3i =
(5+3i)(5+3i)
=
25 + 30i + 9i^2
=
16+30i
5-3i (5-3i)(5+3i ) 25 - 9i^2 24
b) 3+i =
(3+i)(5+i)
=
15+3i+5i+i^2
=
14 + 8i
5-i (5+i)(5+i) 25 - i^2 26
Obs.: i^2 = - 1
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Verified answer
Efetue as seguintes divisões:
a) 5+3i = (5+3i)(5+3i) = 25 + 30i + 9i^2 = 16+30i
5-3i (5-3i)(5+3i ) 25 - 9i^2 24
b) 3+i = (3+i)(5+i) = 15+3i+5i+i^2 = 14 + 8i
5-i (5+i)(5+i) 25 - i^2 26
Obs.: i^2 = - 1