Saved Bookmarks
| 1. |
What are the values of k for which the quadraticequation 21x2 - kx+k=0 has equal roots? |
|
Answer» Answer: 0 or 84 Step-by-step explanation: If roots are EQUAL; D=0 => ✓b^2-4*a*C = 0 b^2 = 4*a*c =>k(k-84)=0 => k=0 or k=84 |
|