1.

If one root of `5x^(2)+13x+k=0` be the reciprocal of the other root then the value of k is

Answer» Correct Answer - D
Let the roots be `alpha" and "(1)/(alpha).` Then,
product of roots `=(alphaxx(1)/(alpha)=1." So, "(k)/(5)=1impliesk=5.`


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