abhirup1711 wrote:If x is positive, is x > 3 ?
(1) (x - 1)^2 > 4
(2) (x - 2)^2 > 9
Test the THRESHOLD.
Here, the threshold is x=3.
Statement 1: (x-1)² > 4
If x=3, then (x-1)² = 4.
Implication:
To satisfy the constraint that (x-1)² > 4, x>3.
SUFFICIENT.
Statement 2: (x-2)² > 9
If x=3, then (x-2)² = 1.
Implication:
To satisfy the constraint that (x-2)² > 9, x>3.
SUFFICIENT.
The correct answer is
D.
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