Mathematics
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OpenStudy (anonymous):
Find the limit, if it exists. (If an answer does not exist, enter DNE.)
lim sqroot t+ t^2/6t − t^2
t→inf
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OpenStudy (turingtest):
\[\lim_{t\to\infty}\frac{\sqrt{t+t^2}}{6t-t^2}\]is this right?
OpenStudy (anonymous):
the sqaure root is on for the t
OpenStudy (turingtest):
\[\lim_{t\to\infty}\frac{\sqrt t+t^2}{6t-t^2}\]
OpenStudy (anonymous):
yeyeyeey
OpenStudy (turingtest):
divide top and bottom by t^2
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OpenStudy (anonymous):
\[\frac{ \sqrt{t} }{ 6t }\]
OpenStudy (turingtest):
?
OpenStudy (turingtest):
divide each term by t^2
OpenStudy (anonymous):
i'm oo confused can you show me
OpenStudy (turingtest):
\[\lim_{t\to\infty}\frac{\frac1{t^2}(\sqrt t+t^2)}{\frac1{t^2}(6t-t^2)}\]
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OpenStudy (turingtest):
distribute
OpenStudy (anonymous):
whats is the answer
OpenStudy (turingtest):
this site is about teaching, not handing out answers
can you not simplify the numerator and denominator? this is algebra, you should know this.
OpenStudy (anonymous):
sqroot(t)/t^2
OpenStudy (anonymous):
6t;t^2
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OpenStudy (turingtest):
what about the t^2's on the right?
OpenStudy (turingtest):
what is\[\frac1{t^2}(\sqrt t+t^2)\]?
OpenStudy (anonymous):
doesn't the t^2/t^2 cancels out
OpenStudy (turingtest):
cancels to what?
OpenStudy (anonymous):
1
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OpenStudy (turingtest):
yes, but you never wrote the 1
OpenStudy (anonymous):
ohhh
OpenStudy (anonymous):
(sqroot (t)+1)/t^2/(6t-1)/t^2
OpenStudy (turingtest):
those 1's should not be over t^2, they cancel like you said
OpenStudy (turingtest):
just do the top\[\frac1{t^2}(\sqrt t+t^2)\]
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OpenStudy (anonymous):
okaay
OpenStudy (anonymous):
sqroot (t)/t^2 +1/ 6t/t^2 +1
OpenStudy (turingtest):
yes, and what is sqrt(t)/t^2 simplified?
OpenStudy (anonymous):
i don"t know
OpenStudy (turingtest):
\[\sqrt[b]{x^a}=x^{a/b}\]so\[\sqrt t=t^{1/2}\]and\[\frac{t^a}{t^b}=t^{a-b}\]use those two rules together
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OpenStudy (anonymous):
okaay thambi
OpenStudy (anonymous):
3root (t^2)