Question

# Use implicit differentiation to find the equation of the tangent line to the curve xy^3+xy=5 at the point (4,1)

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:?

ok i got result for m. but i dont know where is b.. i forget how do y=mx+b
see other post.
hey mily how u get result for m?

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