Question

For quardratic equation x2-2x+1=0, find the value of x+1/x

Answer 1

Here is the solution

x^2-2x+1=0
x^2-1x-1x+1=0
x (x-1)-1(x-1)=0
(x-1)(x-1)=0
x=1,1

To find x+1/x
1+1/1=2

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