I've . I'm asked to find . I've implicitly differentiated it twice, but I can't get the required answer. What I did: From this I got , whereas I was expected to get something quite different. So what has possibly gone wrong?
Follow Math Help Forum on Facebook and Google+
Originally Posted by Hardwork I've . I'm asked to find . I've implicitly differentiated it twice, but I can't get the required answer. What I did: From this I got , whereas I was expected to get something quite different. So what has possibly gone wrong? multiply numerator and denominator by ...
I would say then differentiate explicitly twice.
Thanks guys. @ Pickslides, that's a wise suggestion, but it's from an implicit differentiation exercise. Originally Posted by skeeter That's indeed the expected answer, thanks. But I can't manage to find anything that's wrong with the one I got either.
Originally Posted by Hardwork From this I got , whereas I was expected to get something quite different. So what has possibly gone wrong? 3rd step to 4th ...
Originally Posted by skeeter 3rd step to 4th ... Oh, my, my! I can't thank you enough, Skeeter. That assumption was what frustrated me!
View Tag Cloud