Saved Bookmarks
| 1. |
Find the value of p so that the quadratic equation px(r 3)+9 0 has twoequal roots. |
|
Answer» px(x-3) = 9 px*x - 3px - 9 = 0 comparing it with ax*x + bx + c = 0 Two roots equal means b*b = 4ac in pur case 3p*3p = 4*p*(-9) 9p*p = -36p p*p + 4p = 0 p(p+4) = 0 p=0 , -4 If you find this answer helpful then like it. |
|