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Class 10 Mathematics Quadratic Equations Nature of RootsHard

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For which (s) will (s x^2+2sx+1=0) have equal roots?

Answer and explanation

Correct answer: (s=1)

For equal roots, (D=0), so ((2s)^2-4s=0) gives (4s(s-1)=0). (s=0) does not make a quadratic, so (s=1).

Related tags

Quadratic Equations Nature Of Roots Quadratic Condition Nature Of Roots Quadratic Equations Mathematics Class 10 Mcq

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