Question Number 117675 by AmarRaj last updated on 13/Oct/20
Commented by prakash jain last updated on 13/Oct/20
$$\mathrm{Some}\:\mathrm{questions}\:\mathrm{are}\:\mathrm{not}\:\mathrm{readable}. \\ $$$$\mathrm{Please}\:\mathrm{post}\:\mathrm{a}\:\mathrm{clear}\:\mathrm{image}. \\ $$
Answered by prakash jain last updated on 13/Oct/20
$$\mathrm{1}. \\ $$$${A}=\left\{\mathrm{2},\mathrm{4},\mathrm{6},\mathrm{8}\right\} \\ $$$${B}=\left\{\mathrm{1},\mathrm{2},\mathrm{3},\mathrm{4},\mathrm{5},\mathrm{6},\mathrm{7},\mathrm{8}\right\} \\ $$$$\mathrm{7}\notin{A},\:\mathrm{8}\in{A},{A}\subset{B},\mathrm{9}\notin{B},{B}\supset{A} \\ $$
Answered by prakash jain last updated on 13/Oct/20
$$\mathrm{5}. \\ $$$${A}\cup{B}=\left\{\mathrm{1},\mathrm{2},\mathrm{3},\mathrm{4},\mathrm{6},\mathrm{7},\mathrm{8}\right\} \\ $$$$\:\:\:\:\mathrm{All}\:\mathrm{items}\:\mathrm{which}\:\mathrm{are}\:\mathrm{element}\:\mathrm{of}\:\mathrm{A}\:\mathrm{or}\:\mathrm{B}. \\ $$$${A}\cap{B}=\left\{\mathrm{4},\mathrm{8}\right\} \\ $$$$\:\:\:\:\mathrm{Commons}\:\mathrm{elements}\:\mathrm{of}\:\mathrm{A},\:\:\mathrm{B}. \\ $$$$ \\ $$