Question

if A={1, 2,3} b={4, 5} then n(a intersection b) ​

Answer 1

Answer:

A= {1,2,3}

B= {4,5}

A intersection B={ }

n(A intersection B)= 0

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Answer 2

Answer:

n ( a ∩ b ) = φ

It is φ because there are no common element in A and B.