(a) Explain, in your own words, why a 23 system either has no solutions or innitely many. (b) Explain, in your own words, why the

(a) Explain, in your own words, why a 2×3 system either has no solutions or infinitely many.

(b) Explain, in your own words, why the intersection of two planes either contains infinitely many points, or contains no points.

(c) Explain, in your own words, the connection between parts (a) and (b).