1.

If A=(3,4,5) :B=(1,6,7,8) then verify whether n (AUB) = n(A)+n (B) or not​

Answer»

A=(3,4,5) :B=(1,6,7,8)

(AUB) = {1,3,4,5,6,7,8}

N(AUB) = 7

n(A) = 3

n(B) = 4

n(A)+n(B) = 3 +4 =7

n(AUB) = n(A)+n(B)


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