Question

find derivative of e^x^9 - x

Answer 1

do you mean \[e ^{x ^{9-x}}\]
???

Answer 2

yes

Answer 3

why not you use substitution...
let u = \[x ^{9-x}\]

Answer 4

is it e^x^9-x * 9x^8 - 1 ??

Answer 5

isn't ur \[\frac{ du }{ dx } =- (9-x) . x ^{(9-x)+1}\]

Answer 6

no it was \[e ^{x ^{9}-x}\]

Answer 7

oh...sorry....
yes your ans is completely corrct..