Sir please give stepwise explanation for this question

The ans is A) >2

Its given in the problem that a lies between 0 and 1.

Let the value of a is any number between 0 and 1 say 0.2

So, 0.2 + 1/0.2 = 0.2 + 5 = 5.2

U can check this with any value between 0 to 1. the answer will always be greater than 2.