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Discussion

Mathematics Preparation for JET (Diploma)
(1)

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The given pair of equations x – y = 7, xy = 18 can be converted into which of the given quadratic equations?

 
x2 – 7x – 18 = 0
x2 + 7x + 18 = 0
x2 + 7x – 18 = 0
x2 – 18x – 7 = 0

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Ankit Punetha

Wrong all are different/

Antariksh

Two of the options are same..!!