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माना कि अनुक्रम a(n) निम्नलिखत रूप मे प...

माना कि अनुक्रम `a_(n)` निम्नलिखत रूप मे परिभाषित है :
`a_(1)=1`,
`a_(n)=a_(n-1)+2 " for " n ge 2`.
तो अनुक्रम के पाँच पद ज्ञात कीजिए तथा संगत श्रेणी लिखिए |

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