InterviewSolution
Saved Bookmarks
| 1. |
29. Solve the quadratic equationb 0.[CBSE March 2012] |
|
Answer» 9a^2b^2x^2 -16abcdx -25c^2 d^2 = 09a^2b^2x^2 -25abcdx + 9abcdx - 25c^2d^2 = 0abx (9abx -25cd)+cd(9abx - 25cd)=0(abx+cd)(9abx-25cd)=0x= -cd/ab, 25cd/9ab |
|