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Mars2501 [29]
3 years ago
9

Which expression is a sum of cubes?

Mathematics
1 answer:
kozerog [31]3 years ago
6 0
A cube is an integer that you can get by multiplying a number by itself 3 times.
e.g.: 1 * 1 * 1 = 1; therefore 1 is a cube.
e.g.: 3 * 3 * 3 = 27; therefore 27 is a cube.

Two cubes added together can be factorized into a simpler form.

i.e.:
x {3} + y {3} = 0
can be simplified into:
(x + y)(x^{2}  - xy + y^{2} )
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