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Indrik

Barisan aritmatika

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Diberikan $a_1, a_2, a_3, \dots, a_{2001}, \dots$ adalah sebuah barisan aritmatika dengan $a_1^2+a_{1001}^2 \le 10$.


Tentukan nilai maksimum dari $a_{1001}+a_{1002}+\dots+a_{2001}$.


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