Saved Bookmarks
| 1. |
If one root of the polynomial 2x^2+2x+k=0 is -1/3 then find the value of k |
Answer» GIVEN:p(x) = 2x² + 2x + K = 0 • One root = -1/3 To FIND :• The value of k . Solution :• put x = -1/3 => 2 (-1/3)² + 2 (-1/3) + k =0 => 2/9 - 2/3 +k = 0 =>( 2-6+9k)/9= 0 => 9k= 4 => k = 4/9 |
|