If n and p are integers, is p>0?
1). n+1>0
2). np>0
1. n= 0.5 or n= - 0.5
2. n and p = +ve or n and p = -ve
Combine: if n = 0.5, p= +ve and if n = -0.5 then p= -ve.
[spoiler]So E
OA-C[/spoiler]
1). n+1>0
2). np>0
1. n= 0.5 or n= - 0.5
2. n and p = +ve or n and p = -ve
Combine: if n = 0.5, p= +ve and if n = -0.5 then p= -ve.
[spoiler]So E
OA-C[/spoiler]
