Question

If $C=\{p|p\in I,p^3=-8\}$ then the set $C$ is

• A. a singleton set
• B. an infinite set
• C. an empty set
• D. none of these

Answer 1

The correct option is A a singleton set

Since, $p^3=-8$
$⟹p=-2$
Thus, there is only one value of p, such that $p^3=-8$
Thus, C is a singleton set.