MCQMediumJEE Main 2025 · 28 January, Shift 2Nature of Roots & Formation of Equations

Mathematics Question from JEE Main 2025 · 28 January, Shift 2

Let f:R{0}(,1)f : \mathbb{R} \setminus \{0\} \to (-\infty, 1) be a polynomial of degree 22, satisfying f(x)f(1x)=f(x)+f(1x)f(x)f\left( \frac{1}{x} \right) = f(x) + f\left( \frac{1}{x} \right). If f(K)=2Kf(K) = -2K, then the sum of squares of all possible values of KK is:

  • A

    11

  • B

    77

  • C

    99

  • D

    66

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