Question

The condition for intersecting times of pairs of linear equation in two variables

Answer 1

ANSWER.......................,

A necessary condition for two lines to intersect is that they are in the same plane—that is, are not skew lines. Satisfaction of this condition is equivalent to the tetrahedron with vertices at two of the points on one line and two of the points on the other line being degenerate in the sense of having zero volume.

Answer 2

Answer:

Please refer the image