Question

Calculate the equation for the plane containing the lines ₁ and l2, where ₁ is given by the parametric equation (x, y, z) = (1, 0, -1) + t(1, 1, 1), t E R
and l2 is given by the parametric equation
(x, y, z) = (2, 1,0) + t(1,-1,0), t E R.