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JEE Mains 27-July-2022 Shift 1 Solved Paper

Section: Mathematics
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Question : 27 of 90
 
Marks: +1, -0
Let f(x)=2x2−x−1 and S={n∈ℤ:|f(n)|≤800}. Then, the value of
∑
n∈S
f(n) is equal to _______.
[27-Jul-2022-Shift-1]
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