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Let the sequence be 1×2, 3×2^2, 5×2^3, 7×2^4, 9×2^5……… then the next term of this AGP is given by _________(a) 10×26(b) 10×27(c) 11×26(d) None of the mentionedI have been asked this question in final exam.The query is from Special Sequences topic in chapter Basic Structures: Sets, Functions, Sequences, Sums and Matrices of Discrete Mathematics |
Answer» CORRECT choice is (c) 11×26 Explanation: Since here A1, a2……… are in AP and B1, b2………. are in GP then a2b2, a2b2,……… are in AGP thus an = 11 and bn = 2^6. |
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