If x≠0 and |1x2x13x5x134|=0 , then
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My answer was A...
Explanation->
|x|<1 means x should be between -1 and 1.
from (1)
x2-1<0 => x between -1 and 1. sufficient
from (2)
if x +ve then same as 1 and sufficient
if x -ve then |x|=-x
-x2<1 or x2 > -1 not sufficient
so and A
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