given that -x is an element of the set B where l x^2 - 3l <1. what is the range of values that are in the set B?
$\displaystyle |x^2- 3|< 1$ is the same as $\displaystyle -1< x^2- 3< 1$ and $\displaystyle 2< x^2< 4$. That gives B as the union of two separate intervals.
$\displaystyle |x^2- 3|< 1$ is the same as $\displaystyle -1< x^2- 3< 1$ and $\displaystyle 2< x^2< 4$. That gives B as the union of two separate intervals.
one interval is undoubtedly (sqrt(2),2).which is the other and how???