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Find four consecutive terms in an A.P. whose sum is 36 and the product of the 2nand the 4th is 105. The terms are in ascending order. answer |
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Answer» Step-by-step explanation: Let a-2d,a-d,a,a+d,a+2d be the AP a-2d + a-d + a+d + a+2d = 36 => 4A = 36 => a = 9 (a-d)(a+2d) = 105 => (9-d)(9+2d) = 105 => 9(9+2d) - d(9+2d) = 105 Solve on ur own from here |
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