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Find the product.(2a + 3)(2a – 3) (4a2 + 9) |
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Answer» (2a + 3)(2a – 3) (4a2 + 9) Identity (a + b)(a-b) = a2 – b2 = [((2a)2 – 32)(4a2+9)2 = (4a2 – 9)(4a2 + 9) = (4a2)2 – 92 = 16a4 – 81 |
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