Saved Bookmarks
| 1. |
If a+b+c=0 then find the value of a^2+b^2+c^2/a^2-bc |
|
Answer» a+b+c=0 a=−b−c ..........(1) (a+b+c) 2=0 a+2+b+2+c 2+2(ab+bc+ca)=0 K(a 2−bc)+2(ab+bc+ca)=0 2(ab+bc+ca)=−K(a(−b−c)−bc) ⟹2(ab+bc+ca)=K(ab+bc+ca) ⟹K=2 plz plz plz mark as brainleast PLEASE |
|