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Verified answer
X1 + x2 = -b/a = -1/6x1 . x2 = c/a = -2/6
2/x1 + 2/x2 = 2(x1+x2) / (x1.x2)
= 2(-1/6) / (-2/6)
= -2/6 / (-2/6)
= 1