Answer: B
Explanation:
Just for reference, e (or the golden ratio) is 2.71828
A: 2.6328
B: 2.6464
C: 2.6424
D: 2.6379
Notice how the equation can be simplified into:
(n+1/n)^n
The larger the n, the larger the number (only because of exponent)
Hence, the closest one to 2.718 is B.