Mathematics
Senior High
Solved
なぜ絶対値を外すと-が着くのか分かりません🙇🏻♀️
|x|
x
(2) lim =lim == lim (-1)=-1
x1 x
x-1
1046
また
よって
x1x
f(-1)=-1
lim f(x)=f(-1)
x-1
50
したがって, f(x) はx=1で連続である。
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