UPSC NDA 2 2019 Mathematics Solved Paper

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Question : 28 of 120

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Let A∪B= {x∣(x−a)(x−b)>0, where a<b} What are A and B equal to ?

[NDA II 2019]

A = {x|x > a} and B = {x|x > b}
A = {x|x < a} and B = {x|x > b}
A = {x|x < a} and B = {x|x < b}
A = {x|x > a} and B = {x|x < b}

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