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OpenStudy (anonymous):
I have a question: I'm trying to evaluate a limit but am having a tough time using the limit laws: lim ( sqrt(121+h) - 11)/ h h->0
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myininaya (myininaya):
multiplu top and bottom by the conjugate of the top
myininaya (myininaya):
\[\frac{\sqrt{121+h}-11}{h}*\frac{\sqrt{121+h}+11}{\sqrt{121+h}+11}\] \[\frac{121+h-121}{h(\sqrt{121+h}+1}\]
myininaya (myininaya):
\[\frac{1}{\sqrt{121+h}+11}\]
myininaya (myininaya):
now nut plug in 0
myininaya (myininaya):
lol just*
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myininaya (myininaya):
nut plug lol
OpenStudy (anonymous):
hehehe
myininaya (myininaya):
i left my 1) off above do you see that?
myininaya (myininaya):
the last fraction i wrote is right but the one before that is missing 1)
OpenStudy (anonymous):
Okay
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myininaya (myininaya):
so you get 1/22
OpenStudy (anonymous):
Oh wait ... duh, you're right ..
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