InterviewSolution
Saved Bookmarks
| 1. |
18. Find the values (s) of k so that the quadratic equation 3x2 -2kx 12-0has equal roots. |
|
Answer» When roots are equal then discrimanat is 0 (-2k)² - 4 × 12 × 3 = 0 4k² = 144 k² = 36 k = + / - 6 |
|