September 30th, 2009, 07:27 AM
|
| Newbie | | Join Date: Sep 2009 Location: Vadodara,Gujarat,India
Posts: 22
Country:  Thanks: 19
Thanked 0 Times in 0 Posts
| |
 A olympiad question
If p and q are the roots of the equation 3x^2 + x- 1 = 0 then prove that 3(p^3 + q^3) + (p^2 +q^2) - (p + q) = 0 |