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OpenStudy (anonymous):
lim (sqrt(x+11)-3)/(x+2) x-> -2
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OpenStudy (anonymous):
|dw:1369347661346:dw|
OpenStudy (anonymous):
OpenStudy (jkristia):
multiply top and bottom by the conjugate (sqrt(x+11) + 3)
OpenStudy (anonymous):
I did get 1/6 and i know i have to multiply by the conjugate or something. I just missed points on my quiz for not showing work. I just used calculator
OpenStudy (jkristia):
yeah - if you are asked a limit question you have to show how you find the limit, not just show the limiting value
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OpenStudy (anonymous):
yeah at first i multiplied by sqrt(x+11)-3 and i got some weird answer. but thanks @jkristia I get it now
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