A level Further maths hyperbolic functions Maclaurin series exam question

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=AU9L8AOXoPU

A level Further maths - hyperbolic functions - Maclaurin series - exam question. I use the product rule multiple times to get to the 4th derivative and then ...

video, sharing, camera phone, video phone, free, upload
#############################