Bunuel wrote:
Is x positive?
(1) x^2 + 10 x > 0
(2) 3^x > 1
Statement 1 : implies\(x(x+10)>0\)
\(=> x<-10\) or\(x>0\) . clearly\(x\) can be negative or positive. Henceinsufficient
Statement 2 :\(3^x>3^0 => x>0\) .Sufficient
OptionB
...
Is x positive?
(1) x^2 + 10 x > 0
(2) 3^x > 1
Statement 1 : implies\(x(x+10)>0\)
\(=> x<-10\) or\(x>0\) . clearly\(x\) can be negative or positive. Henceinsufficient
Statement 2 :\(3^x>3^0 => x>0\) .Sufficient
OptionB
...
