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tghg
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Homework Statement
suppose f(x) is monotonely decreasing and positive on [2,+∞),
please compare [∫f(t)dt]^2 and ∫[f(t)]^2dt,
here "∫ "means integrating on the interval [2,x]
Homework Equations
none
The Attempt at a Solution
Maybe the second mean value thereom of integral is helpful.
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