Let AUB=
{x|(x - a)(x -b)>0, where
a<b}. What are A and B equal
to?
(a) A = {x} x > a} and B = {x} x > b}
(b) A = {x} x < a} and B = {x|x > b}
(c) A = {x{ x < a} and B = {xlx <b}
(d) A = {x* > a} and B = {x/* <b}
please answer
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Answer:
(a) = {x:(x−a)(x−b)>0,where a<b} = {x:x<a or x>b}
{x:x<a or x>b}Therefore,
{x:x<a or x>b}Therefore,A = {x:x<a} or B={x:x>b}
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