Please wait...
Contact Us
Contact
Need assistance? Contact us on below numbers

For Study plan details

93219 24448 / 89292 63204

10:00 AM to 7:00 PM IST all days.

For Franchisee Enquiry

81783 72169
OR

Chat with us on WhatsApp

or

Thanks, You will receive a call shortly.
Customer Support

You are very important to us

For any content/service related issues please contact on this number

93219 24448 / 99871 78554

Mon to Sat - 10 AM to 7 PM

Home / Doubts and Solutions/JEE/Mathematics

Pls solve

qsnImg
Asked by g_archanasharma 10th April 2018, 10:08 AM
Answered by Expert
Answer:
begin mathsize 16px style Given space series space can space be space written space as space follows colon sum from straight r equals 3 to infinity of space fraction numerator 1 over denominator straight r squared plus straight r minus 2 end fraction rightwards double arrow sum from straight r equals 3 to infinity of space fraction numerator 1 over denominator open parentheses straight r plus 2 close parentheses open parentheses straight r minus 1 close parentheses end fraction rightwards double arrow 1 third sum from straight r equals 3 to infinity of space fraction numerator 3 over denominator open parentheses straight r plus 2 close parentheses open parentheses straight r minus 1 close parentheses end fraction rightwards double arrow 1 third sum from straight r equals 3 to infinity of space open parentheses fraction numerator 1 over denominator straight r minus 1 end fraction minus fraction numerator 1 over denominator straight r plus 2 end fraction close parentheses rightwards double arrow 1 third open square brackets open parentheses 1 half plus 1 third plus 1 fourth plus up diagonal strike 1 fifth end strike plus up diagonal strike 1 over 6 end strike plus up diagonal strike 1 over 7 end strike close parentheses plus....... negative open parentheses up diagonal strike 1 fifth end strike plus up diagonal strike 1 over 6 end strike plus up diagonal strike 1 over 7 end strike plus...... close parentheses close square brackets rightwards double arrow 1 third open parentheses 1 half plus 1 third plus 1 fourth close parentheses rightwards double arrow 13 over 36 end style
Answered by Expert 10th April 2018, 4:38 PM
Rate this answer
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10

You have rated this answer /10

Report an issue
Tags: summation infinite special-sequences-and-series
Previous Question
Next Question
Your answer has been posted successfully!

Free related questions

Given 1/(1*2*3)+1/(2*3*4)+.....+1/(98*99*100)=a/b. Find (b-a).
18th January 2022, 1:26 PM
solution
19th December 2023, 11:53 AM
RELATED STUDY RESOURCES :
JEE QUESTION ANSWERS

Browse free questions and answers by Chapters

Trending Tags

trigonometric equations Mole concept linear equations trigonometric ratios circle quadratic equation functions matrix operations integration equivalent resistance

Latest Questions

CBSE X Biology
What is enzyme  
Asked by Sureshgowdayd548 28th October 2020, 10:50 PM
JEE Main Mathematics
The following pseudocode is executed using the “Paragraph words” dataset. At the end of the execution, CountB captures the number of verbs with letter count less than the average letter count of verbs. But the pseudocode may have mistakes in one or more lines. Identify all such lines (if any). It is a Multiple Select Question (MSQ).  Error in Line 4  Error in Line 8  Error in Line 11  Error at Line 12  Error in Line 17  Error at Line 18  Error in Line 21 The following pseudocode is executed using the “Words” table. What will be the value of A at the end of the execution?
Asked by amaladelsingh 28th October 2020, 10:24 PM
CBSE X Biology
I want a brief clarity on Taxonomy
Asked by reenacharan2008 28th October 2020, 9:11 PM

Chat with us on WhatsApp