Asked by Angie
as x-> + infinity (limit)
3x^4-2x^2/x^4+5x^2
i got positive infinity. is this right
3x^4-2x^2/x^4+5x^2
i got positive infinity. is this right
Answers
Answered by
bobpursley
multiply numerator by 1/x^4
(3-2/x^2) / (1+5/x^2) so the limit is 3
(3-2/x^2) / (1+5/x^2) so the limit is 3
Answered by
Angie
i don't get why you would multiply the numerator by that. please explain
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