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Sequences and Series question

2025 · 24 Jan · Shift 2 · Q36
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  5. /2025 · 24 Jan · Shift 2 · Q36

Sequences and Series question

2025 · 24 Jan · Shift 2 · Q36

JEE MainMathematicsSequences and SeriesMCQ+4 / −1
If 7=5+17(5+α)+172(5+2α)+173(5+3α)+…………∞7=5+\frac{1}{7}(5+\alpha)+\frac{1}{7^2}(5+2 \alpha)+\frac{1}{7^3}(5+3 \alpha)+\ldots \ldots \ldots \ldots \infty7=5+71​(5+α)+721​(5+2α)+731​(5+3α)+…………∞, then the value of α\alphaα is :
  1. A
    17\frac{1}{7}71​
  2. B
    1
  3. C
    67\frac{6}{7}76​
  4. D
    6
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