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Prove that 1^3 + 2^3 + 3^3 + + n^3 = (n(n + 1)/2)^2 If x = (3+1)/(3-1) and y = (3-1)/(3+1) , then the value of (x2+y2) is Answer correct problem viral japan math maths algebra question year operation order only adults simple world operations puzzle solve
9 - 3 ÷ 1/3 + 1 = ? The Correct Answer (Viral Problem In Japan) - YouTube
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