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If (10)^9+""2(11)^1(10)^8+""3(11)^2(10)^...

If `(10)^9+""2(11)^1(10)^8+""3(11)^2(10)^7+""ddot""+""10(11)^9=k(10)^9` , then k is equal to (1) `(121)/(10)` (2) `(441)/(100)` (3) 100 (4) 110

A

`(121)/(10)`

B

`(441)/(100)`

C

`100`

D

`110`

Text Solution

Verified by Experts

The correct Answer is:
C
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MOTION-SEQUENCE & SERIES -Exercise -4 Level -I Previous Year /JEE Main
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  12. If (10)^9+""2(11)^1(10)^8+""3(11)^2(10)^7+""ddot""+""10(11)^9=k(10)^9 ...

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