Question

for two finite sets A and B, if A⊂B, n(A∪B) =?

plz give a relevant answer. improper answers will be reported ​

Answer 1

Answer:

n(B)

Step-by-step explanation:

if A is a subset of B then the elements of A is also a element of B . so total no of elements in AUB is number of elements in A.

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