limit as x approaches-7 of (x^2+7x)/(x^2-2x-63)

Lösung

x \to - 7 lim (\frac{x ^{2} + 7 x}{x ^{2} - 2 x - 63})

\frac{7}{16}

Dezimale

0.4375

Schritte zur Lösung

x \to - 7 lim (\frac{x ^{2} + 7 x}{x ^{2} - 2 x - 63})

Vereinfache

\frac{x ^{2} + 7 x}{x ^{2} - 2 x - 63} : \frac{x}{x - 9}

= x \to - 7 lim (\frac{x}{x - 9})

Setze den Wert

x = - 7

ein

= \frac{- 7}{- 7 - 9}

Vereinfache

= \frac{7}{16}

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