limit as x approaches-1 of (x^2-7)/(1-x)

Lösung

x \to - 1 lim (\frac{x ^{2} - 7}{1 - x})

- 3

Schritte zur Lösung

x \to - 1 lim (\frac{x ^{2} - 7}{1 - x})

Setze den Wert

x = - 1

ein

= \frac{( - 1 ) ^{2} - 7}{1 - ( - 1 )}

Vereinfache

\frac{( - 1 ) ^{2} - 7}{1 - ( - 1 )} : - 3

= - 3

\int e^{- 0.02 t} (e^{- 0.13 t} + 4) d t

n = 0 \sum \infty n 5

\int_{0}^{x} \frac{1}{0.2 x + 10} d x

t an g e n t 1 - x^{2}

n = 1 \sum \infty n^{2} e^{- n}