If n is a positive integer greater than 1, then 2^{n-1} + 2^n =
A) 3^n
B) 2^n+1
C) 2^{2n-1}
D) 2^{n(n-1)}
E) 3*2^{n-1}![]()
A) 3^n
B) 2^n+1
C) 2^{2n-1}
D) 2^{n(n-1)}
E) 3*2^{n-1}