find the points of (r) that distam 3 units from point A (0,2,1)

(r):

y=-x+2

z=2x-2

Answer:

(2,0,2) and (0,2,-2)

Printable View

- Jun 24th 2008, 06:06 PMApprentice123Distance between points
find the points of (r) that distam 3 units from point A (0,2,1)

(r):

y=-x+2

z=2x-2

Answer:

(2,0,2) and (0,2,-2) - Jun 24th 2008, 06:12 PMo_O

etc. etc.

Solve for x (you'll get two values as you end up solving a quadratic) and plug this into your expressions of y and z. - Jun 24th 2008, 06:14 PMApprentice123
is obvious. thanks