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JEE MAIN - Mathematics Hindi (2022 - 27th July Morning Shift - No. 20)
माना $$f(x)=2 x^{2}-x-1$$ तथा $$\mathrm{S}=\{n \in Z:|f(n)| \leq 800\}$$ हैं | तो $$\sum\limits_{n \in S} f(n)$$ का मान है ____________.
Answer
10620
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