Mathematics
Senior High
Solved
2番なぜ−abの3乗になるのですか?マイナスがなぜ着くか分かりません
(2) a<0, b>0€$375 ST.STE=x001
√a²b = √(ab ³)² = |ab³|=-ab³
6
(3) P=√x2-2x+1-√x2+4x+4 とおくと
P=√(x-1)²-√(x+2)² = |x-1|-
+Disais.arsi=x0001
したがって
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