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Evalute by using identities 4.9²-1.12 |
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Answer» Answer: 22.8 Step-by-step EXPLANATION: IDENTITY » a² - b² = (a+b)(a-b) (4.9)² - (1.1)² = (4.9+1.1) (4.9-1.1) = (6) (3.8) = 22.8 |
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