Question

If $A=\{x:x^2=16\}$ and $B=\{x:x^4=256\}$, then $A\Delta B$ is equal to

• A. $\{-4i,4i\}$
• B. $\{-4,4\}$
• C. $\{-4,4,4i,-4i\}$
• D. $\{\varphi \}$

Answer 1

Answer: (A)

Correct answer is (a) $\{-4i,4i\}$