Question

, Find dy/dx if x^2+y^2=2xy...
Please and Thank you :)

Answer 1

\[(x-y)^2 = 0\]
\[y=x\]
\[\frac{dy}{dx} = 1\]

Answer 2

2x+2yy'=2y+2xy' x+yy'=y+xy' x-y=(x-y)y' y'=1

Answer 3

Gotta love them trick questions.

Answer 4

Yup.... I know I absolutely adore them -_-

Answer 5

Thank you guys :D