first: second:
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Originally Posted by transgalactic first: second: We can use the MVT for the first one with where or vice-versa then
i got this equation: on what basis you say that you can put absolute values on the places you put them? how to know if it equals the equation that i got ?? (how to solve the second one)
Originally Posted by transgalactic i got this equation: on what basis you say that you can put absolute values on the places you put them? how to know if it equals the equation that i got ?? (how to solve the second one) if then certainly . The converse is not true. For the second try using a MVT again with
x<c<y what does it prove?? what to do now?
Originally Posted by transgalactic x<c<y what does it prove?? what to do now? Choose so or Since x > 1, then c > 1 so
Here's another way. Let . Now and . For (f is decresing from 0) so or
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