If (a^2)*b > 1 and b < 2, which of the following could be the value of a?
A)1/2
B)1/4
C)-(1/2)
D)-2
E)2/3
OA D
Source MGMAT
A)1/2
B)1/4
C)-(1/2)
D)-2
E)2/3
OA D
Source MGMAT
a²b > 1 ---> a² and b are of same signgughanbose wrote:If (a^2)*b > 1 and b < 2, which of the following could be the value of a?
As a² is always positive, b is also positive.
Hence, a² > 1/b and 1/b > 1/2
Hence, a² > 1/2
Only option D works.
The correct answer is D.
