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人気のある微分積分 >

limit as x approaches 0-of (|x|)/(-2x)

解

x \to 0 - lim (\frac{∣ x ∣}{- 2 x})

解

\frac{1}{2}

+1

十進法表記

0.5

解答ステップ

x \to 0 - lim (\frac{∣ x ∣}{- 2 x})

x

は

x \to 0 -

の場合, 負になる。従って

∣ x ∣ = - x

= x \to 0 - lim (\frac{- x}{- 2 x})

\frac{- x}{- 2 x} = \frac{1}{2}

= x \to 0 - lim (\frac{1}{2})

x \to a lim c = c

= \frac{1}{2}

グラフ

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