Let {an} be a non - constant arithmetic progression with a1=1 and for any n≥1, the value a2n+a2n−1+⋯+an+1an+an−1+⋯a1 remains constant. Then, a15 will be?

Let {an} be a non - constant arithmetic progression with a1=1 and for

1.	Let {an} be a non - constant arithmetic progression with a1=1 and for any n≥1, the value a2n+a2n−1+⋯+an+1an+an−1+⋯a1 remains constant. Then, a15 will be?
Answer» Let ${a_{n}}$ be a non - constant arithmetic progression with $a_{1} = 1$ and for any $n \geq 1$ , the value $\frac{a_{2 n} + a_{2 n - 1} + \dots + a_{n + 1}}{a_{n} + a_{n - 1} + \dots a_{1}}$ remains constant. Then, $a_{15}$ will be?

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Let {an} be a non - constant arithmetic progression with a1=1 and for any n≥1, the value a2n+a2n−1+⋯+an+1an+an−1+⋯a1 remains constant. Then, a15 will be?

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