Mathematics
Senior High
解説がわかりません
=√3
(a)
AR
x2=-36
x=±√−36 =±√36 i=±6i
(4) x2+36=0 から
よって
(5) (x+1)^=-1から
x=-1±i
って
x+1=±√-1 = ±i
(3
12.
112
46
よ
(12)
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