if U={p,q,r,s,t,u} & A'={q,s,t}, what is A?
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A=U_A'={p,r,u}.....
it is the answer
it is the answer
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Answered by
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as we know
(A')'=A
then U-A'=A
={p,r,u} is A
(A')'=A
then U-A'=A
={p,r,u} is A
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