krypton
infinity/infinity=



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Ferrariwindows7
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it's just like any other number divided by any other number. 4/4=1 300/300=1 x/x=1 Infinity/infinity=1

micahwood50
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Undefined. Infinity is not a number.

CliffSedge
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Indeterminate form.

krypton
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ok actully this the question
y=lmx>inf (xe^x)/(x^2+2x1)
use l hopitals rule


micahwood50
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Use L'Hospital's rule if both numerator and denominator are infinity.

krypton
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yeah the are

micahwood50
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There you go.

krypton
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i got inf/inf

micahwood50
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Again? Use L'Hopital's rule again.

krypton
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after taking their respective derivatives

krypton
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i got inf/inf

micahwood50
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Look like the answer is indeterminate since you can't get rid of e^x using derivative.

micahwood50
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As x approaches to infinity, it approaches to infinity.

micahwood50
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Does this clear everything?

krypton
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yeah thanks :)

micahwood50
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You're welcome.