Jee Main 2025 — Medium JEE math MCQ
Let \( f(x) = \log_2 x \) and \( g(x) = \frac{x^4 - 2x^3 + 3x^2 - 2x + 2}{2x^2 - 2x + 1} \). Then the domain of \( f \circ g \) is \begin{align*}
- A. \ [0, \infty) & & \quad
- B. \ [1, \infty) \\
- C. \ (0, \infty) & & \quad
- D. \ \mathbb{R} \end{align*}
Solution
The correct option is **D**. (D. \ \mathbb{R} \end{align*})