Question

A={ 1,2,3},B={2,3,4},C={2,4} then A union B = A union C prove​

Answer 1

Step-by-step explanation:

Lets prove AUB=AUC

AUB={1,2,3,}U{2,3,4}

={1,2,3,2,3,4}

={1,2,3,4}

AUC={1,2,3}U{2,4}

={1,2,3,2,4}

={1,2,3,4}

hence proved

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