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Sum of Cubes
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We're proving the sum of cubes using a clever arrangement of rectangles here.
Note that we're using our formula for the sum of numbers 1 + 2 + ... + n. Check out my channel on visual proofs for this sum, and more!
#mathematics #maths #education #mathtricks #engineering #engineer
Note that we're using our formula for the sum of numbers 1 + 2 + ... + n. Check out my channel on visual proofs for this sum, and more!
#mathematics #maths #education #mathtricks #engineering #engineer
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