4x square -(p-2)x +1 =0 . find the value of p
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4x^2 - (p-2)x + 1 = 0
4x^2 -px + 2x + 1 = 0 (expand)
thake x = 1
4 * 1^2 - p*1 + 2*1 +1 = 0
4 - p +2 +1 = 0
7 - p = 0
7 -0 = p
p = 7
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