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22-10-2021
Mathematics

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If n(A) = 16. n( B) = 19 and n(AB) = 30. Find n(AB)

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VirαtKσhli VirαtKσhli

22-10-2021

Answer:

309

Step-by-step explanation:

We have ,

n(A) = 16
n(B) = 19

We know that the number of elements in Cartesian product of two sets is ,

n(AB) = n(A) * n(B)
n(AB) = 16 * 19
n(AB) = 309

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