InterviewSolution
Saved Bookmarks
| 1. |
If roots of the equation `2x^2-4x+2sintheta-1=0` are of opposite sign, then `theta` belongsA. `(pi/6, (5pi)/6)`B. `(0, pi/6) uu ((5pi)/6, 2pi)`C. `((13 pi)/6, (17 pi)/6)`D. `(0, pi)` |
|
Answer» Correct Answer - B Roots will be of opposite sign if product of roots is negative `rArr sin theta lt 1/2` |
|