Mathematics

Mathematics

Problem

If gcd(m,n)=1\text{gcd}(m, n) = 1 and 12−22+32−42+⋯+(2021)2−(2022)2+(2023)2=1012m2n1^2 - 2^2 + 3^2 - 4^2 + \dots + (2021)^2 - (2022)^2 + (2023)^2 = 1012 m^2 n , then m2−n2m^2 - n^2 is equal to (a) 200 (b) 180 (c) 220 (d) 240

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