Math, asked by manpreetsingh33, 7 months ago

in an A.P a cube =7 and a_7 = 2+3a_3 than find the sum of its first 20 terms​

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Answered by kirangusain84
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Click here to get an answer to your question ✍️ in an A.P a cube =7 and a_7 = 2+ 3a_3 than find the sum of its first 20 terms

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