Question
If r,s are the roots of the equation x2-px+q=0, then what is the equation of the curve whose roots are ([1/r] + s) and ([1/s]+r)?
Answer: Option D
:
D
option dput r=1 and s=1, then p=2 and q=1.Roots of the curve’s equation = 2,2Substitute values of p,q,r,s in options to check where 2,2 satisfy as roots. This happens only in option (d)
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:
D
option dput r=1 and s=1, then p=2 and q=1.Roots of the curve’s equation = 2,2Substitute values of p,q,r,s in options to check where 2,2 satisfy as roots. This happens only in option (d)
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