Jain, P. K. Ahmad, khalil Textbook of analytical geometry of two dimensions / by P. K. Jain and Khalil Ahmad - 2nd ed. - New Delhi : New Age International (P) Limited Publishers , 1996 . - 362 p. Paper Back ISBN: 9780852264133 Subjects--Topical Terms: Mathematics Pair of linesChange of axesParabola Dewey Class. No.: 516.154 / JAI-T