JEE MATHEMATICS MCQ: SEQUENCE OF SERIES

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Analyzing +4 | -1

(10)^9+2(11)^1(10)^8+3(11)^2(10)^7+\ldots+(10)(11)^9

=k(10)^9

, then

k

is equal to

View answer and explanation

Correct option: A

100

Option A (100) is correct because the given series can be simplified and summed to find the value of k, which is 100.

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