Question

please solve this problem
chapter polynomial Class 10​

Answer 1

Step-by-step explanation:

x²+x-1. ab=-x²,,a+b= x

a=x

b=-x

x²+x-x -1

x(x+1) -1(x+1)

(x-1) (x+1)

x-1=0

x=1

x+1=.0

x=-1

zeros are 1,-1

assume 1 to be alpha -1 to be beta

1/1+-1/1=0

hence iv is the answer