Saved Bookmarks
| 1. |
Find the value of a for which (a-12)x^2+2(a-12)x+2=0 has equal roots |
|
Answer» (α−12)X 2 +2(α−12)x+2=0 Here, a=(α−12),b=2(α−12),c=2 For the equation having equal ROOTS, D=0 b 2 −4ac=0 ⇒(2(α−12)) 2 −4(α−12)2=0 ⇒4(α−12)(α−12−2)=0 ⇒(α−12)(α−14)=0 ⇒α=12,14 |
|