Question

if y=xy+x^2+1, then when x=-1, dy/dx is???

Answer 1

start with
\[y'=y+xy'+2x\] and solve for \(y'\)

Answer 2

clear where the first equation came from or no?

Answer 3

yes i got it you took the derivative of the first equation

Answer 4

yes
plus product rule

Answer 5

yes

Answer 6

after you solve for y' just evaluate at x= -1

Answer 7

okay thanks i got it :)