Mathcad Professional 14.0DieterDieter2C0556203-AE86-4626-A7D8-B19A9E2548A8D5026181-C420-4FD8-AFD1-3E00C149212A00000000-0000-0000-0000-00000000000000000000-0000-0000-0000-000000000000
Vary R - at what two points do the circle and line meet?
Here's how to display six solutions, each of which is a two-element vector.