Bunuel wrote:
What is the value of n^2 ?
(1) n = |n|
(2) |n| = 1
(1) n = |n|
Tells us that n is non negative.
Insufficient
(2) |n| = 1
so n can be -1 or 1.
But in each case \(n^2\) is 1.
Sufficient
B
Statistics : Posted by chetan2u • on 18 Sep 2023, 01:30 • Replies 1 • Views 61
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