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1. |
(a) Factorize `27a^(3) + 125 x^(3)` |
Answer» `27a^(3) + 125 x^(3)` `= (3a)^(3) + (5x)^(3)` `= (3a + 5x) {(3a)^(2) + (5x)^(2) - (3a) (5x)}` `= (3a + 5x) (9a^(2) + 25x^(2) - 15ax)` |
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