9
fin the critical point for this function :::::



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ksaimouli
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?

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\[f(x)=\frac{ x }{ x ^{2} + 1}\]

9
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i did tried to solve it , but i on;y came up with one critical point which is 1
is my answer right ?

ksaimouli
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what did u get for derivative

9
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i got \[\frac{ 1 }{ x ^{2} + 1 }\]

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o_o'

ksaimouli
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dw:1351632476941:dw

ksaimouli
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the answer is 1,1

ksaimouli
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ur derivative is wrong (i think)

ksaimouli
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use quotient rule

ksaimouli
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dw:1351632573808:dw

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ohh i see .. thanks

ksaimouli
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yup