Saved Bookmarks
| 1. |
The inequality `x(lambda - x)lt y(lambda - y)AA x, y` with `x lt y lt 1` is always true ifA. `lambda le 2`B. `lambda ge 2`C. `lambda lt -1`D. for no value of `lambda` |
|
Answer» Correct Answer - B The inequality `x(lambda-x)lt` ………….. `lambda x-x^(2)lt lambda y - y^(2)` `x^(2)-y^(2)-lambda x + lambda y gt 0` `(x-y)(x+y)-lambda(x-y)lt 0` `(x-y)(x+y-lambda)gt0` `x+y-lambda lt 0` `x+y lt lambda` |
|