multi calc ,

please take a loot at this and tell me if its corrrect.
http://www.chegg.com/homework-help/calculus-early-transcendentals-9th-edition-chapter-13.3-problem-91e-solution-9780470379646

Question

multi calc ,


please take a loot at this and tell me if its corrrect. 
http://www.chegg.com/homework-help/calculus-early-transcendentals-9th-edition-chapter-13.3-problem-91e-solution-9780470379646

ganeshie8 · Answer

not opening for me

ganeshie8 · Answer

take a snapshot and attach if psble

paki · Answer

link is not working....

christos · Answer

https://www.dropbox.com/s/6a9k1sf3v1ib28t/Screenshot%202014-05-05%2017.32.16.jpg https://www.dropbox.com/s/22v1hih4pd14715/Screenshot%202014-05-05%2017.32.28.jpg https://www.dropbox.com/s/fvdfu3vxuziad0q/Screenshot%202014-05-05%2017.32.39.jpg https://www.dropbox.com/s/qnof4us3vyyg60q/Screenshot%202014-05-05%2017.32.53.jpg https://www.dropbox.com/s/fzomiuok307zo9p/Screenshot%202014-05-05%2017.33.06.jpg https://www.dropbox.com/s/wszh659ptkd9ah9/Screenshot%202014-05-05%2017.33.25.jpg https://www.dropbox.com/s/yusg0eoeu5e4lm7/Screenshot%202014-05-05%2017.33.50.jpg

ganeshie8 · Answer

i checked (a), it looks good

ganeshie8 · Answer

you may verify ur answers wid wolfram : http://www.wolframalpha.com/input/?i=d%2Fdx+d%2Fdx+x%5E2-y%5E2%2B2xy+%2B+d%2Fdy+d%2Fdy+x%5E2-y%5E2%2B2xy