Let \( \mathrm{f} \) be a twice differentiable function defined on \( R \) such that \( f(0)=1, f^{\prime}(0)=2 \) and \…
Q1
Let \( \mathrm{f} \) be a twice differentiable function defined on \( R \)
such that \( f(0)=1, f^{\prime}(0)=2 \) and \( f^{\prime}(\mathrm{x}) \neq 0 \) for all
\( x \in R \). If \( \left|\begin{array}{ll}f(x) & f^{\prime}(x) \\ f^{\prime}(x) & f^{\prime \prime}(x)\end{array}\right|=0 \), for all \( x \in R \), then the
value of f(1) lies in the interval
[JEE Main 2021, 24 Feb (Shift 2)]
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