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Beliebt Rechnen >

limit as x approaches-4 of (4-|x|)/(4+x)

Lösung

x \to - 4 lim (\frac{4 - ∣ x ∣}{4 + x})

Lösung

1

Schritte zur Lösung

x \to - 4 lim (\frac{4 - ∣ x ∣}{4 + x})

x

ist negativ wenn

x \to - 4

. Deshalb

∣ x ∣ = - x

= x \to - 4 lim (\frac{4 - ( - x )}{4 + x})

Vereinfache

= x \to - 4 lim (1)

x \to a lim c = c

= 1

Graph

Beliebte Beispiele

(\partial)/(\partial x)(sqrt(5-x^2+3y^2))

\frac{\partial}{\partial x} (5 - x^{2} + 3 y^{2})

tangent 3x^2,\at x=2

t an g e n t 3 x^{2}, at x = 2

limit as x approaches 0 of (sqrt(1+x))/x

x \to 0 lim (\frac{1 + x}{x})

y^{^{''}} = e^{- x}

integral of 1/8

\int \frac{1}{8} d x