JEE MATHEMATICS MCQ: SEQUENCE OF SERIES

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< a_n >

is an A.P., then

\mathrm{D}=\left|\begin{array}{ccc}a_p & a_q & a_r \\ p & q & r \\ 1 & 1 & 1\end{array}\right|=

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Correct option: A

Option A (0) is correct because the determinant is zero due to the properties of arithmetic progressions and determinants.

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