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Asked by Anonymous

How can I show that the function F (x)= the integral from 2x to 5x of 1/ t dt is constant on the interval (0, +∞).
10 years ago

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Answered by bobpursley
INT (1/t)dt=lnt over limits
= ln 5x -ln 2x= ln(5x/2x)=ln (2.5)
10 years ago
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How can I show that the function F (x)= the integral from 2x to 5x of 1/ t dt is constant on the interval (0, +∞).

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