Question

pls help .
Find the sum and product of zeros of the following polynomial - x² + 2x -1. class 10 pls dont spam​

Answer 1

Answer:

2

Step-by-step explanation:

Given equation is:

x

2

−4x+4=0

It can also be written as:

x

2

−2(2)(x)+(2)

2

=0…(1)

Above equation is of the form of following identity:

(a−b)

2

=a

2

−2ab+b

2

Hence, the equation (1) can be written as follows:

(x−2)

2

=0 or

(x−2)(x−2)=0

x=2,2