dont know how to start this: find ____
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Originally Posted by viet dont know how to start this: find ____ There is a theorem that says: Let be a one-to-one continuous function on an open interval . If is differentiable at and if , then is differentiable at and Note here, that Let and Then Now continue
Originally Posted by viet dont know how to start this: find ____ is an increasing function so if there is a solution to: it is unique. Now , so RonL
Originally Posted by CaptainBlack is an increasing function so if there is a solution to: it is unique. Now , so RonL well that was simple enough. anyway, my theorem is bound to come in handy at some point in the future
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