I'm trying to revise but I can't seem to solve this: The problem is that for 4 marks it's taken me way too long to expand and differentiate. Is there a shortcut that I'm missing???
Follow Math Help Forum on Facebook and Google+
Note, for some reason the file only opens if you click on the empty space twice
Originally Posted by Roland25 I'm trying to revise but I can't seem to solve this: The problem is that for 4 marks it's taken me way too long to expand and differentiate. Is there a shortcut that I'm missing??? Use the chain rule From here just sub in
View Tag Cloud