Question

Write equation of tangent line

Answer 1

You'll have to find a slope, dy/dx. Go!

Answer 2

Help!

Answer 3

you know differentiation?

Answer 4

@jaredh9

Answer 5

do you know 'implicit differentiation'?

Answer 6

\[\frac{x}{x+1}+\frac{y}{y+1}=1\\\frac{x(y+1)+y(x+1)}{(x+1)(y+1)}=1\]

Answer 7

\[xy+x+xy+y=xy+x+y+1\]

Answer 8

\[xy=1\\y=1/x\\\frac{dy}{dx}=?\]