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Asked by cindy999

find the absolute minimum of
f(x) = x - ln x
16 years ago

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Answered by Reiny
f'(x) = 1 - 1/x
= 0 for a max/min
so 1/x = 1
x = 1
f(1) = 1 - ln1
= 1-0
= 1

so the min is 1 when x = 1
16 years ago
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find the absolute minimum of
f(x) = x - ln x

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