if x=1/2-√3 find the value of x^2-4x+1
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x²-4x+1....will be given below if x=1/2-√3
= (1/2-√3)²-4(1/2-√3)+1
=1/4+3-√3-2+4√3+1
=9/4+3√3
= (1/2-√3)²-4(1/2-√3)+1
=1/4+3-√3-2+4√3+1
=9/4+3√3
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