Question

if A=(2,3,4) and B=(5,6) find A×b and B×A​

Answer 1

Answer:

A={1,2,3,4},B={3,4,5,6},C={5,6,7,8} and D={7,8,9,10}

(i) A∪B={1,2,3,4,5,6}

(ii) A∪C={1,2,3,4,5,6,7,8}

(iii) B∪C={3,4,5,6,7,8}

(iv) B∪D={3,4,5,6,7,8,9,10}

(v) A∪B∪C={1,2,3,4,5,6,7,8}

(vi) A∪B∪D={1,2,3,4,5,6,7,8,9,10}

(vii) B∪C∪D={3,4,5,6,7,8,9,10}