AM-1557

Sum and difference of cubes

A Math · Secondary 4 · Easy · Sum and difference of cubes

1. $(x-1)(x+1)(x-i)(x+i)$
2. $(x-1)(x+1)(x^2+1)$
3. $(x-1)^2(x+1)^2$
4. $(x^2-1)(x^2+1)$

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