papgust wrote:I would say B
is |a| * b > 0?
|a| is always positive but b could be -ve or +ve.
A. |a^b| > 0
b could be -ve or +ve. Insufficient.
B. |a|^b is a non-zero integer
If b is -ve, |a| ^ b will not be an integer. Statement II says that it is a non-zero integer. So, b cannot be -ve.
Then |a|*b > 0. Sufficient.
a) is def insuff
but in
B) if b=-1 (a -ve int)and a=1
then it satisfy the condition that a#b
and lal^b is a non zero int=1^-1=1
and if b=1 (a +ve int)and a#b and a=-1
then lal^b=1 a non zero int
hence even b is insuff
and hence it sud be
E
