Question

if n (A×B)=6 and A=(1,3) then n(B) is
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Answer 1

Answer:

n(B)=3

Step-by-step explanation:

Since n(A)=2

and n(AxB)=6

Therefore,

n(B)=n(AxB)

n(A)

n(B)=6/2

n(B)=3