I get stuck on this one. My final answer was: But I feel it's wrong. This natural number always screws me up.
Follow Math Help Forum on Facebook and Google+
Originally Posted by Zanderist I get stuck on this one. ... fixed this ... and this. finish it.
Why does the 8 turn into a 2?
Originally Posted by Zanderist I get stuck on this one. dx => dx = du/4x 2 du/4x 2 du [snip] My final answer was: 2 But I feel it's wrong. Mr F says: Yes it was. This natural number always screws me up. I have made corrections and annotations in red. If you were not so sloppy with your notation you probably would not have made all these mistakes.
Originally Posted by Zanderist Why does the 8 turn into a 2? the 8 turned into 2 times 4 ... not 2. then, note that changed to
Originally Posted by skeeter the 8 turned into 2 times 4 ... not 2. Ah! Thanks everyone.