A={x:x is a perfect square and x<50,x£n} B={x:x= 8m+1m is a perfect square m£w, x< 50, x£n} show that n( AUB)- n(AnB)=n(A-B)+n( B-A)
Answers
Answered by
4
Answer:
i don't know sorry if you dont mind please follow me please
Similar questions