Use implicit differentiation to find the equation of the tangent line to the curve xy^3+xy=5 at the point (4,1) . The equation of this tangent line can be written in the form y = mx+b where m is:?

Question

and where b is:?

Answer 1

see other post.

Answer 2

ok i got result for m. but i don't know where is b.. i forget how do y=mx+b

Answer 3

hey mily how u get result for m?