Yes, that is the first step. Think of the sum of squares as a pyramid of dots. That would be the lef side of the equation. In the right side think of the sum of a cube of dots, and the difference of a cube and the pyramid. The rest is reworking the algebra.
Yes, that is the first step. Think of the sum of squares as a pyramid of dots. That would be the lef side of the equation. In the right side think of the sum of a cube of dots, and the difference of a cube and the pyramid. The rest is reworking the algebra.
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