Question

Question 7 doubt having problem in this sun please help this question is asked from the ml aggarwal class 11

Answer 1

Answer:

i)n(A U B)= n(A) + n(B) - n (A n B)

= 20 + 18 - 5

= 33 ans

ii)n(A-B) = n(A) - n(A n B)

= 20-5

= 15 ans

iii)n(B-A) = n(B) - n(A n B)

= 18-5 ans...

Hope it's helpful you can trust this answer!!!!