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人気のある微分積分 >

limit as x approaches-2 of (x^2-9)/(2-x)

解

x \to - 2 lim (\frac{x ^{2} - 9}{2 - x})

解

- \frac{5}{4}

+1

十進法表記

- 1.25

解答ステップ

x \to - 2 lim (\frac{x ^{2} - 9}{2 - x})

値を挿入する

x = - 2

= \frac{( - 2 ) ^{2} - 9}{2 - ( - 2 )}

簡素化

\frac{( - 2 ) ^{2} - 9}{2 - ( - 2 )} : - \frac{5}{4}

= - \frac{5}{4}

グラフ

人気の例

limit as x approaches 5 of (5-x)^{x-5}

x \to 5 lim ((5 - x)^{x - 5})

limit as x approaches 3-of (x-5)/(x^2-9)

x \to 3 - lim (\frac{x - 5}{x ^{2} - 9})

limit as x approaches-2 of (2x)/(4-x^2)

x \to - 2 lim (\frac{2 x}{4 - x ^{2}})

limit as n approaches 1 of ln(n)

n \to 1 lim (ln (n))

limit as x approaches 0 of 3-2x-x^2

x \to 0 lim (3 - 2 x - x^{2})