Answer:

Step-by-step explanation:

Suppose that a>b>1, then
and 
Therefore, since 2<3<7, 
Choose an arbitrary x>1. You have that a takes the greatest values at x, c takes the smallest value at x. Thus,
a>b>c and
Answer: correct option is B.
Wouldn’t it be 0, as that’s when their values are both equal to each other, making the equation true?