Mathematics
Senior High
Resolved
ここの計算
p^3=-1
p=-1
でも大丈夫ですか？
が+(-4-3か)か+3=-4p+5
3
ゆえに
よって
が+1=0
すなわち
(p+1(が-p+1)=0
1
3
がーカ+1=(カー)+>0 であるから
カ+1=0
ゆえに カ=-1
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