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31/3 . 91/9 . 271/27 . 811/ 81…..upto infinity =
(a)√27 (b)3√27
© 4√27 (d)none of these

Ranjita yadav , 14 Years ago
Grade 11
anser 2 Answers
saket shrivastava

the ans is (d)none of these

reson ::: the geneal term of series is << 10 + (1/3)n >> as n -> infinity, (1/3)n -> 0

as the series doesnot have product of 10 in denominator, the product of series shuld have multiple of 10 in ans

hence it is (d)

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Last Activity: 14 Years ago
Ranjita yadav

But ans. is (c)..

Last Activity: 14 Years ago
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