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OpenStudy (anonymous):
what's the min of this function : f(x)=x+(2/x)
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OpenStudy (anonymous):
Differentiate and equate it to 0
hartnn (hartnn):
know how to find minimum ?
OpenStudy (anonymous):
yeah
OpenStudy (anonymous):
but i wanna to check my answer
hartnn (hartnn):
what u got ?
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OpenStudy (anonymous):
\[2\sqrt{2}\]
hartnn (hartnn):
if thats -2 root 2 then you are correct
OpenStudy (anonymous):
tnx
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