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