Saved Bookmarks
| 1. |
X square + 2 kx + 4 equals to zero has a root 2 then find the value of k |
|
Answer» put x= 2 (2)^2+2k(2)+4=0 4+4k+4=0 4k+8=0 4k= -8 k=-8/4 =-2 k=-2 |
|