Answer:
x²-2x+1=0
=> (x-1)²=0
=> (x-1)(x-1)=0
=> α = β = 1
=> α² + β² = 1 + 1 = 2
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Answer:
x²-2x+1=0
=> (x-1)²=0
=> (x-1)(x-1)=0
=> α = β = 1
=> α² + β² = 1 + 1 = 2