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Binomial Theorem question

2025 · 2 Apr · Shift 2 · Q42

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PYQ Library
JEE Main
Mathematics
Binomial Theorem
2025 · 2 Apr · Shift 2 · Q42

Binomial Theorem question

2025 · 2 Apr · Shift 2 · Q42

JEE MainMathematicsBinomial TheoremMCQ+4 / −1

If\,\sum\limits_{r = 0}^{10} {({{{{10}^{r + 1}} - 1} \over {{{10}^r}}}).{}^{11}{C_{r + 1}} = {{{}_\alpha 11 - {{11}^{11}}} \over {{{10}^{10}}}},\,then\,\,\alpha \,\,is\,\,equal\,\,to:}

A
11
B
20
C
24
D
15

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