2k-1/4k^2-4k+1

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Solution for 2k-1/4k^2-4k+1 equation: 


k in (-oo:+oo)

2*k-((1/4)*k^2)-(4*k)+1 = 0

(-1/4)*k^2+2*k-4*k+1 = 0

1-1/4*k^2-2*k = 0

DELTA = (-2)^2-(-1/4*1*4)

DELTA = 5

DELTA > 0

k = (5^(1/2)+2)/(-1/4*2) or k = (2-5^(1/2))/(-1/4*2)

k = -2*(5^(1/2)+2) or k = -2*(2-5^(1/2))

k in { -2*(5^(1/2)+2), -2*(2-5^(1/2)) }

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