Let be the area of polygon with vertices such that ; and be the area bounded by the curve . Find value of such that .
Bonus : Generalize for all positive integers .
Notations :
denotes the floor function .
denotes the absolute value function .
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Got A 1 = 4 ⋅ ( n + 1 ) and A 2 = 2 ( n + 1 ) 2 and set A 2 − A 1 = 9 6 . Result was 4 9 = 7 .