1)

If 0 < a < 1, then the value of $a + \frac{1}{a}$ is :


A) less than 2

B) greater than 2

C) less than 4

D) greater than 4

Answer:

Option B

Explanation:

a is possitive and a < 1
$\Rightarrow\frac{1}{a}>1$
$\therefore\left[a+\frac{1}{a}\right]>2$