Class12, Chapter11, 3D geometry, NCERT Exercise 1 2, problems 10, and 11 by Thathamatics

This channel will teach 10th class, 11th class and 12 class students CBSE or state syllabus Subscribe. if you find any mistake please mention in comment. a new video will be made. 10. Find the values of p so that the lines (1-x)/3 = (7y - 14)/2p = (z -3)/2 and (7 - 7x)/3p = (y - 5)/1 = (z - 3)/2 11.Show that the lines (x - 5)/7 = (y + 2)/-5 = (z )/1 and (x)/1 = (y )/2 = (z )/3 are perpendicular to each other