Which one is true for the mathematical expression 2n+2n-12n+1-2n=?
A
3/2
B
2/3
C
1
D
2n
Correct Answer: 3/2
2n + 2n - 12n + 1 - 2n = 2n + 2n.122n.2 - 2n = 2.2n + 2n÷22n(2 - 1) = 3.2n2.2n = 32