The words contained in this file might help you see if this file matches what you are looking for:
...Class xi chapter introduction to three dimensional geometry maths compiled by op gupta a point is on the axis what are its coordinates and answer if then zero in xz plane can you say about coordinate name octants which following points lie of all positive therefore this lies octant negative respectively fill blanks i taken together determine known as ii xy form iii planes divide space into find distance between pairs iv p given show that collinear let be denoted q r they line...