- #1
Jimmy84
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Homework Statement
Prove using induction
1.) 1^3 + 2^3 + 3^3 + ... + n^3 = (1 + 2 + 3 + ... + n)^2
2.) 1^3 + 2^3 + ... + (n-1)^3 < (n^4)/4 < 1^3 + 2^3 + ... + n^2
Homework Equations
The Attempt at a Solution
I don't have a clue about how to start to do the problems can anyone help me ?
Thanks.