4. The complete set of values of $x$ for which $\left( x ^ { 2 } - 1 \right) ( x - 2 ) > 0$ is A $x < - 1,1 < x < 2$ B $x < - 1 , x > 2$ C $- 1 < x < 2$ D $x < 1 , x > 2$ E $\quad - 1 < x < 1 , x > 2$
4. The complete set of values of $x$ for which $\left( x ^ { 2 } - 1 \right) ( x - 2 ) > 0$ is
A $x < - 1,1 < x < 2$
B $x < - 1 , x > 2$
C $- 1 < x < 2$
D $x < 1 , x > 2$
E $\quad - 1 < x < 1 , x > 2$\\