Math, asked by lakshya1474, 11 months ago

a and b are two sets where a sub set of b. If n(a)=3 and n(b)=7 then a union b is equal to?

Answers

Answered by dhanalakshmis2524

1

Answer:

a union b = 7

Step-by-step explanation:

Since a subset of b .then a union b is equal to b

∴ n(a∪b) = 7

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