Q. If $A \subseteq B$, then $B \cup A$ is equal to
A) $B \cap A$
B) $A$
C) $B$
D) None of these
Explanation
(c)
$\because\ \ \ \ \ \ \ \ \ \ A \subseteq B$
$\therefore\ \ \ \ \ \ \ \ \ \ \ \ B \cup A = B$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.