**Find a vector function that represents the curve of intersection of the two surfaces.**

**The hyperboloid z = x2 - y2 and the cylinder x2 + y2 = 1**

**Answer:**

**Find a vector function that represents the curve of intersection of the two surfaces.**

**The hyperboloid z = x2 - y2 and the cylinder x2 + y2 = 1**

**Answer:**