I know that is differentiable on (0, ) with derivative but how do I use this to prove that = = - is also differentiable?
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Originally Posted by maximus101 I know that is differentiable on (0, ) with derivative but how do I use this to prove that = = - is also differentiable? Is [simply]... Kind regards
Originally Posted by chisigma Is [simply]... Kind regards Hey, thank you for the answer, but could you please also tell me how differentiability is possible, i.e prove that and is differentiable then I can use the sum, quotient rules as you have done.
As You have told is , so that if You instead of write is , and if You write is ... Kind regards
ok I understand now, thank you
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