Posted by josie on .
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:?
and where b is:?

COLLEGE CALCULUS. 
bobpursley,
see other post.

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

COLLEGE CALCULUS. 
josie,
hey mily how u get result for m?