3.3.20 Line and plane in space
condition: Write the canonical equation of the straight line formed by the intersection of the plane \( x-3 y-z+1=0 \quad \) with the \( \quad \) coordinate plane \( X O Y \).
Straight lines and planes in space. Intersection of lines and planes, calculation of the distance of a line and a plane, angles between lines and planes, finding equations of lines and planes in space, and much more.