Question

6)
If A and B are subsets of the universal set
X and n(X) = 50, n(A) = 35, n(B) = 20,
n(A'B') = 5, find
i) n (AUB)
ii) n (ANB)
iii) n(A'NB)
iv) n(ANB')​

Answer 1

Answer:

1. 55

Step-by-step explanation:

please tell me the question clearly what does N means intersection or Union.

hope the attached formulas may help you finding the above..

pleas find the attached for your reference...