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The product of two expression is (x - 7) (x2 + 8x + 12). If HCF of these expression is (x + 6) then their LCM is1). x2 - 5x + 142). x2 + 5x - 143). x2 - 5x - 144). x2 + 5x + 14 |
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Answer» As known, Product of two numbers = HCF × LCM Given, ⇒ (X - 7) × (x2 + 8x + 12) = (x + 6) × LCM ⇒ (x - 7) × (x + 6)(x + 2) = (x + 6) × LCM ⇒ (x - 7)(x + 2) = LCM ⇒ (x2 + 2x - 7x - 14) = LCM ∴ LCM = x2 - 5X - 14 |
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