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What are the possible polynomial expressions for the dimensions of the cuboids whose volumes are given below ?12y2 + 8y – 20 |
Answer» Given that volume = 12y2 + 8y – 20 = 4 (3y2 + 2y – 5) = 4 [3y2 + 5y – 3y – 5] = 4 [y (3y + 5) – 1 (3y + 5)] = 4 (3y + 5) (y – 1) Hence 4, (3y + 5) and (y – 1) are the dimensions. |
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