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sudha Grade:
        the equation x^2 + nx +m =0, n,m is an element of I can not have (ans. irrational roots) need explanation
6 years ago

Answers : (1)

AJIT AskiitiansExpert-IITD
68 Points
										

Dear Sudha ,


actually your answer is wrong. put n =3 ,m =1  then n ,m ε I  ,   


d =sqrt(9-4) = sqrt(5) , so roots are irrational  in this case .or maybe something is missing in the quesiton. i assumed I is an integer set.


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6 years ago
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