Saved Bookmarks
| 1. |
Find k if the equation 4x²-2(k+1)x+k+1=0 has real and equal roots. |
|
Answer» for real and equal roots D=0 D= B2 - 4ac therefore 0= (-2k+2)WHOLE square - 4×4×1 0=4k whole square +4 -16 0= 4k whole square -12 Apply the formula for finding x and you will get the answer |
|