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// https://projecteuler.net/problem=6

export const squareDifference = (num = 100) => {

let sumOfSquares = (num * (num + 1) * (2 * num + 1)) / 6

let sums = (num * (num + 1)) / 2

return sums ** 2 - sumOfSquares // difference of square of the total sum and sum of squares

}