uhhh is this thing further maths 
Original post by mqb2766
by parts seems to be the obvious thing to try.
well the first part of by part is obviously easy, but when it linked to hyperbolic integration it is actually terrible if it is further math
I saw one method is to let x = secx which I dont know how should I know what to let x be
Original post by Darkwings_Lok
well the first part of by part is obviously easy, but when it linked to hyperbolic integration it is actually terrible if it is further math
I saw one method is to let x = secx which I dont know how should I know what to let x be
I saw one method is to let x = secx which I dont know how should I know what to let x be
WHen you say its obvious which parts are you integrating and which differentiating?
Original post by mqb2766
WHen you say its obvious which parts are you integrating and which differentiating?
i diff arcosh and integrate x, cause I dont think I know how to integrate arcosh
Original post by Darkwings_Lok
i diff arcosh and integrate x, cause I dont think I know how to integrate arcosh
Agreed and the question tells you to use the result from question part a) which pretty much gives it?
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