For what value of k the equation 4x2-2(k+1)x+(k+1)=0
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4x2 - 2(k+1)x + (k+1) = 0
8-2k+2+k+1 = 0
8-k+3 = 0
k = 8+3
k = 11
8-2k+2+k+1 = 0
8-k+3 = 0
k = 8+3
k = 11
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