# How do you use implicit differentiation to find the equation of the tangent line to the curve #xy^3+xy= 2# at the point ( 1 , 1 )?

##### 1 Answer

Jun 26, 2015

Use implicit differentiation to find

#### Explanation:

Both terms on the left are products, so we'll use the product rule. I use the order:

Simplify to get:

Solve for

At