Let $X=\left\{a: a^2=1\right.$ and $a$ is a complex value $\}$ and $Y=\left\{b: b^4=1\right.$ and $b

Question

Let $X=\left\{a: a^2=1\right.$ and $a$ is a complex value $\}$ and $Y=\left\{b: b^4=1\right.$ and $b$ is a complex value $\}$. Then the set $X \Delta Y$ is equal to

Professor PC Thomas Classes · Answer

Symmetric difference of sets.