A={x|loga(x^2-x-2)>2,a>0 and a≠1 }
if a=2
log2(x^2-x-2)>2
x^2-x-2 > 4
x^2-x-6 > 0
(x-3)(x+2)>0
x>3 or x3 or x2
loga(13/16)>2
13/16 > a^2
0 < a < √13/4 and a≠1
A={x|loga(x^2-x-2)>2,a>0 and a≠1 }
if a=2
log2(x^2-x-2)>2
x^2-x-2 > 4
x^2-x-6 > 0
(x-3)(x+2)>0
x>3 or x3 or x2
loga(13/16)>2
13/16 > a^2
0 < a < √13/4 and a≠1