Answers

2016-03-19T15:48:56+05:30
THE QUADRATIC POLYNOMIAL IS
(X-2)(X+1)=X^2-2X+X-2
X^2-X-2=0
1 1 1
2016-03-20T12:51:57+05:30
Let a be the first zero i.e 2 and b be the second i.e -1

now,a+b=[2-1]=1
ab=2*(-1)=-2

= x^{2} +(a+b)x+ab


X-2)(X+1)=X^2-2X+X-2
X^2-X-2=0

1 5 1