For the quadratic equation x2-2x + 1-0, find the value ofx +x – InterviewSolution

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1.

For the quadratic equation x2-2x + 1-0, find the value ofx +x

Answer»

x^2 - 2x + 1 = 0

x^2 -x -x +1 ==0

x ( x - 1 ) -1( x - 1)=0

( x - 1 ) ( x - 1 ) =0

x = 1 , 1

now putting value of x in x+1/x

= 1 + 1/1

= 1 + 1

= 2

ans: the value of x + 1/x = 2

t.y

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