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April 18, 2014

April 18, 2014

Posted by **Beta plus** on Sunday, October 11, 2009 at 12:45pm.

- Math -
**MathMate**, Sunday, October 11, 2009 at 2:43pmUse l'Hôpitals rule:

1.

Lim (x->∞) (x³+3)/(2x³+4x+1)

= Lim (x->∞) (3x²)/(6x²)

= Lim (x->∞) (6x)/(12x)

= Lim (x->∞) 1/2

= 1/2

Similarly for (1-cos(x))/(x²)

= Lim (x->∞)

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