If α and β are the zeros of the quadratic polynomial 
, find the value of 
.
Let 
and β are the roots of the given eqn
Sum of the roots = 
= 
= 
= 1
Product of the roots = 
= 
= 
= -4
= 
= 
On substituting values from above, we get
⇒ 
= 
= 
6