Posted by **Jenny** on Sunday, April 8, 2012 at 11:40pm.

Determine two sets of parametric equations for the line passing through the points P(1,7,1) and Q(3,4,4)

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I got one of them but I don't know how to get a second parametric equation.

first one: x=1-2s, y=7+3s, z=1-3s

second:???

- Calculus -
**Reiny**, Sunday, April 8, 2012 at 11:43pm
why not use the other point?

x = 3 - 2x

y = 4 + 3s

z = 4 - 3s

- Calculus -
**Jenny**, Monday, April 9, 2012 at 12:12am
I was thinking about that, ha~ but thought it would be wrong.

Thanks!

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