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## Homework Statement

Find the scalar equation for the plane containing L1 and L2.

Consider the lines:

L1 : x = t + 1, y = 2t, z = 3t - 1

L2 : x = s - 1, y = 2s + 1, z = 3s - 1

## Homework Equations

Scalar equation for a plane:

a(x - x0) + b(y - y0) + c(z - z0) = 0

## The Attempt at a Solution

These two lines have the same vector <1, 2, 3>, so they are parallel. I let t = 0 and s = 0 so that I found a point (1, 0, -1) for L1 and a point (-1, 1, -1) for L2. Where do I go from here? Thanks and I appreciate it.