Voorbeeld 1
Gevraagd: \eqalign{\mathop {\lim }\limits_{x \to 0} x^2 \sin \left( {\frac{1} {x}} \right)}

\eqalign{ & \mathop {\lim }\limits_{x \to 0} x^2 \sin \left( {\frac{1} {x}} \right) \cr & - x^2 \leq x^2 \sin \left( {\frac{1} {x}} \right) \leq x^2 \cr & \mathop {\lim }\limits_{x \to 0} - x^2 = 0\,\,en\,\,\mathop {\lim }\limits_{x \to 0} x^2 = 0\, \cr & \mathop {\lim }\limits_{x \to 0} x^2 \sin \left( {\frac{1} {x}} \right) = 0 \cr}

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