Prove that every line normal to the cone with equation z=sqrt(x^2+y^2) intersects the z-axis.

Printable View

- October 10th 2010, 08:17 AMesum0209Prove
Prove that every line normal to the cone with equation z=sqrt(x^2+y^2) intersects the z-axis.

- October 10th 2010, 10:01 AMtonio
- October 10th 2010, 11:48 AMesum0209
- October 10th 2010, 12:28 PMPlato
What happens if

- October 10th 2010, 12:28 PMtonio