Question

if A={a,b,d},B={b,d,e},C={b,e},then(A-C)×(B-C)=?​

Answer 1

A= {a,b,d } , B = {b,d,e },

C={b,e}

i ) A-C = {a,b,d}-{b,e} = {a,d}

ii)B-C = {b,d,e}-{b,e} = {d}

Now ,

(A-C)×(B-C)={a,d} × { d }

={(a,d),(d,d)}

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