Question

A={1,2,3},B={4,5},then n(A) + n(B) = ---------​

Answer 1

Step-by-step explanation:

n(A) means no. of elements in A

n(B) means no. of elements in B

n(A) = 3

n(B) = 2

n(A) + n(B) = 5

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Answer 2

Answer:

ans is 5

Step-by-step explanation:

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