Question

The value of x2 + 2x + 1 when x = 1 is

Answer 1

Answer:

4

Step-by-step explanation:

1+2+1

=4

eat study sleep repeat

Answer 2

Step-by-step explanation:

Given: quadratic equation x2−2x+1=0

To find the value of x+x1

x2−2x+1=0 

⇒x2+1=2x 

⇒xx2+1=2

 

⇒x+x1=2