Mathematics
Senior High
Solved
(4)番は何故分母をかけているんですか?
2枚目が答えです
1-3i
*
1+3i
1+3i
1-3 i
(4) 与式=
(1-3i)2-(1+31) 2
(1+3i)(1-3i)
(1-6i+912)-(1+6i+912)
-12i
10
12+32
から
6/5
Answers
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