Solve the quadrate equation x2 – 2x + 1 = 0 and find x+1/x
(a) 2 (b) 1 (c) 0 (d) 3
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Answer:
x²-2x+1=0
⇒x²-x-x+1=0
⇒x(x-1)-1(x-1)=0
⇒(x-1)(x-1)=0
⇒x-1=0⇒x=1
now,x+1/x=1+1/1=2 is right answer.
hence,option a.
Step-by-step explanation:
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