Ask a Question

The sum of n terms of the series 4+44+444+……..is

0 votes
46 views
asked in Engg-aptitude by (215k points)

The sum of n terms of the series 4+44+444+……..is                                                                   

      (a) (4/81) [10n+1 -9n – 1]

      (b) (4/81) [10n-1 -9n – 1]

      (c) (4/81) [10n+1 -9n – 10]

      (d) (481) [10n -9n – 10]

Please log in or register to answer this question.

Related questions

Welcome to Q&A discussion forum, where you can ask questions and receive answers from other members of the community.

Categories

Most popular tags

10.4k questions

274 answers

26 comments

15.3k users

Snow Theme by Q2A Market
Powered by Adapala Academy
...