Hello, i have a question which is too hard for me to type in here, so ive scanned in the image. At the top, as explained in the image, i have the answer ive found in my lecture notes, but then ive worked it out for myself and i do not get the same answer. Can someone please tell me where im going wrong? Im making V2 the subject All help is appretiated, dont be shy. Thanks! heres the link: http://www4.picturepush.com/photo/a/6324532/640/6324532.jpg p.s i originally posted this in yahoo answers but got no response.