Saved Bookmarks
| 1. |
If a and b are the maximum and minimum values of the quadraticexpressions 1-2x - 5x^(2) and x^(2) - 2x + 5 respectively, then the set of all values of x for which the expression 5 ax^(2) + bx + 7 is positive, is |
|
Answer» (a, B) |
|