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Sequences and Series question

2025 · 3 Apr · Shift 1 · Q28
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  5. /2025 · 3 Apr · Shift 1 · Q28

Sequences and Series question

2025 · 3 Apr · Shift 1 · Q28

JEE MainMathematicsSequences and SeriesMCQ+4 / −1
The sum 1+3+11+25+45+71+…1+3+11+25+45+71+\ldots1+3+11+25+45+71+… upto 20 terms, is equal to
  1. A
    7240
  2. B
    8124
  3. C
    7130
  4. D
    6982
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