For α, β ∈ R and a natural number n, let A_r = r 1 n²/2 + α 2r 2… | JEE Main 2024 Mathematics PYQ

MCQMediumJEE Main 2024 · 6 April, Shift 1Determinants Basics

For $\alpha, \beta \in R$ and a natural number $n$ , let $A_r =$

\begin{vmatrix} r & 1 & \frac{n^2}{2} + \alpha \\ 2r & 2 & n^2 - \beta \\ 3r - 2 & 3 & \frac{n(3n - 1)}{2} \end{vmatrix}

Then $2A_{10} - A_8$ is:

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