The set of values of a for which (a - 1)x- (a + 1)x + a - 1 ≥ 0 is true for all x ≥ 2

1
(-∞, 1)
2
\(\left(1, \frac{7}{3}\right)\)
3
\(\left(\frac{7}{3}, \infty\right)\)
4
none of these

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