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 = = = = -2
= = [Using (a + b)2 = a2 + b2 + 2ab and (a - b)2 = a2 + b2 - 2ab]
⇒ = =