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# Sum Of Series

## This is my question

Asked by rbhatt16 6th October 2017 9:40 PM

## Marked question

Asked by rbhatt16 6th October 2017 9:46 PM

## Please give me the compete solution of the above.

Asked by Balbir 9th October 2017 8:53 PM

## ques 3 , 7 and 11

Asked by rbhatt16 12th October 2017 5:20 PM

## quez 4 , 7 and 11

Asked by rbhatt16 12th October 2017 5:24 PM

## Circled one ques

Asked by rbhatt16 20th October 2017 10:02 AM

## Find the sum of first 30 positive integer multiple of 6

Asked by Lav 2nd November 2017 11:17 PM

## The question is attached above

Asked by sudhanshubhushanroy 8th November 2017 1:04 PM

## I an A.P. if S1 = T1 + T2 + T3 + T4 + ...........+ Tn ( nis odd ) and S2 = T2 + T4 + T6 + .... + T(n-1),   then find the value of s1/S2 in terms of n.

Asked by sudhanshubhushanroy 15th November 2017 8:34 PM

## Prove that the sum of n numbers of terms of two different AP's can be same for only one value of n.

Asked by sudhanshubhushanroy 15th November 2017 8:37 PM

## ques 28

Asked by chandanbr6004 19th November 2017 5:32 PM

## question is attached. Please send step by step complete solution.

Asked by sudhanshubhushanroy 10th December 2017 3:55 AM

## question is attached. Please send step by step complete solution.

Asked by sudhanshubhushanroy 10th December 2017 4:00 AM

## If the sum of first n terms of AP is 6n-n^2 find its 25th term

Asked by lovemaan5500 13th December 2017 6:13 PM

## 26th sum

Asked by lovemaan5500 13th December 2017 6:36 PM

## Please teach me the method to solve it:

Asked by nitishkrnehu09 1st January 2018 4:02 AM

## Show that the ration of sum of first n terms of a GP tto sum of terms from (n+1)th term to 2n th term is 1/r^n

Asked by lovemaan5500 13th January 2018 3:07 PM

## If the sum of first 13 terms of an A.P.,  is 21 and the sum of first 21 terms is 13 . Show that sum of first 34 terms is -34.

Asked by sucharitasahoo1 18th February 2018 7:38 PM

## If sum of m terms of an AP is n and sum of n terms of an AP is m, show that the sum of (m+n) terms of the AP is -(m+n)

Asked by Ananya 19th February 2018 3:52 PM

## If the sum of n terms of an AP is 3n^2+2n, find its r^th term.

Asked by Ananya 20th February 2018 1:12 PM

## Question no. 14

Asked by Payal 21st February 2018 4:57 PM

## plz explain i cant get it A ladder has rungs 25 cm apart. (see Fig. 5.7). The rungs decrease uniformly in length from 45 cm at the bottom to 25 cm at the top. If the top and the bottom rungs are 1 2 2 m apart, what is the length of the wood required for the rungs? [Hint : Number of rungs = 250 25 ]

Asked by Diya 23rd February 2018 4:52 PM

## Matrix

Asked by Shivangi 11th April 2018 12:34 PM

## 1.3.2^2+2.4.3^2+3.5.4^2+....=?

Asked by jaychandran1967 7th June 2018 12:59 PM

## Plz solve

Asked by lovemaan5500 15th June 2018 6:55 AM

## 6th sum

Asked by lovemaan5500 15th June 2018 6:56 AM

## 8th sum

Asked by lovemaan5500 15th June 2018 6:57 AM

## 20th sum

Asked by lovemaan5500 15th June 2018 6:57 AM

## 5th sum

Asked by lovemaan5500 21st June 2018 6:56 AM

### CBSE X Maths

Asked by vikasg13.hardware 28th June 2018 6:14 AM

### CBSE X Maths

Asked by vikasg13.hardware 30th June 2018 7:02 AM

### JEE Plances JEE (Main) Maths

Asked by niharikabojanapalli 5th July 2018 1:48 PM

## A long a road lies an odd number of stones placed at intervals of 10 m.  These stones have to be assembled around the middle stone. A person can carry only one stone at a time. A man carried the job with one of the end stones by carrying them in succession. In carrying all the stones he covered a distance of 3 km. Find the number of stones.

Asked by rishijuneja2018 12th July 2018 5:54 PM

### CBSE X Maths

Asked by vikasg13.hardware 12th July 2018 7:18 PM

### CBSE X Maths

Asked by vikasg13.hardware 13th July 2018 7:34 PM

## 25th sum

Asked by lovemaan5500 17th July 2018 6:33 PM

## The sum of the first three terms of a G.p is 13/12 and their product is -1.Find the G.p?

Asked by anandarajgowri 24th July 2018 8:36 PM

## please solve the encircled qn

Asked by arup.isro 20th August 2018 11:05 PM

### JEE Plances JEE (Main) Maths

Asked by arup.isro 20th August 2018 11:06 PM

### CBSE XI Science Maths Sequences and Series

Asked by Apoorva 19th September 2018 10:04 AM

## The sum of three no.s in an AP=-6 andtheir product is 64, find the no.s

Asked by mdraishbst 19th October 2018 12:20 AM

## in a gp find the tenth term and the sum of first seven terms of 1/2, 1/3, 2/9...

Asked by sudeepguptaa 28th November 2018 3:12 PM

## Q.1Prove that log 2<1

Asked by Vidushi412 28th November 2018 7:15 PM

## Q.1  Sum of series 1/1.3+1/2.5+1/3.7+1/4.9+.......till infinity. Q.2  Sum of series 5/1.2.3+7/3.4.5+9/5.6.7...till infinity

Asked by Vidushi412 29th November 2018 9:35 AM

## Q1. Sum of the series  1/1.2.3+5/3.4.5+9/5.6.7+.......till infinity Q2. Find value of  Log(1+1/n)^n

Asked by Vidushi412 30th November 2018 9:01 AM

## If sk=1+2+3+....k÷k.Find the value of s1^2+s2^2+s3^2+....sk^2

Asked by Saumil.sharma2 30th November 2018 11:00 PM

### CBSE XI Science Maths

Asked by dineshchem108 6th December 2018 10:39 PM

## What is the answer for this question?

Asked by dineshchem108 6th December 2018 10:43 PM

## Detailed solution for this.

Asked by g_archanasharma 16th December 2018 6:18 PM

## (-100)+(-98)+(-96)+......+92

Asked by namupatel154 31st December 2018 7:38 AM

## Sir pls solve the following.

Asked by rsudipto 4th January 2019 7:14 PM

## 7+11+15+19....UpTo 20 terms.

Asked by Vipul009sharma 13th January 2019 12:14 AM

## Find the sum of all three digit natural numbers divisible by 3

Asked by kvdudhaiya 16th January 2019 2:08 PM

## Question written in the image .

Asked by ritikabehera01 18th February 2019 4:13 PM

### CBSE XI Science Maths Sequences and Series.

Asked by Kchawla94 3rd March 2019 9:20 PM

## The sum of the series 1+(1+3)+(1+3+5)+....+(1+3+5+....+15+17)

Asked by samvandana 6th April 2019 11:39 AM

## Solve the question in photo showing each step clearly...

Asked by Vidushi412 6th April 2019 9:51 PM

## find the sum of the following series: S = 7/6 + 13/12 + 21/20 +31/30 +............. + 9901/9900 A) 9749/100 B) 9849/100 C) 9949/100 D) 9649/100

Asked by Ranjeetgupta26068 12th May 2019 1:04 AM

## Find the sum of n^th term of an series whose n^th term is given by n^2 (n^2-1).

Asked by nikhilrathour52 29th May 2019 8:31 AM

## how many terms of the AP  9,17,25...... must be taken to give a sum of 636

Asked by rajani.vinod 6th July 2019 10:07 PM

## In an ap first term is 2,the sum of first 5terms is1/4 of the sum of next 5terms .find sum of first 20terms

Asked by sujathahk 9th July 2019 8:38 PM

## A sum of RS 700 is to be used to give seven cash prizes to students of school for their overall academic performance. If each prize is RS 20 less then its preceding prize, find the value of each of the prizes.   From A.P.

Asked by snehil1525 19th July 2019 12:36 AM

## Sir solve this problem

Asked by Surjitsp6u 6th August 2019 1:04 PM

### CBSE X Maths Arithmetic Progression

Asked by sanyasiraomutta 23rd August 2019 5:58 PM

## In an arithmetic sequence of common difference 3,out of first 25terms sum of first 13 terms is equal to sum of next 12 terms what is the difference between first term and 14 th term? What is the difference between 12th and 25th term?

Asked by vinodar2003 25th August 2019 2:48 PM

## If the ratio of the sum of two A.P is 5n+4:9n+6,then the ratio of the 18th term of those A.P is=?

Asked by niharranjanbehara 8th September 2019 8:33 PM

## If the sum of n terms of an AP is 2n 2 +5n, then its nth term is

Asked by yyash7796 8th September 2019 9:23 PM

## If the sum of the first m term of an ap is n and the sum of the n term is m then find the sum of first m+n term

Asked by dhamaka437 15th September 2019 3:31 PM

## if the m term of an A.P is 1/n and n term of an A.P is 1/m prove that sum of the (mn) first term is 1/2(mn+1)

Asked by dhamaka437 16th September 2019 10:17 AM

## Sum of term: 1^3+3^3+5^3+7^3....

Asked by vasaya.sohil99 24th September 2019 11:16 AM

## It is known that 81 / 1 square + 1/2 square + 1 / 3 square +.......n =             π square/6 Then find the value of the series 1/       1 square + 1 / 3 square + 1 / 5 square +.......n

Asked by sujatha.vkthakur.21 29th September 2019 12:46 AM

## The first and last terms of an A.P. are a and b. There are altogether (2n + 1) terms. A new series is formed by multiplying each of the first 2n terms by the next term. Find the sum of new series

Asked by rushabhjain.av 2nd November 2019 10:10 PM

## If Sn  represents the sum to n terms of a GP whose first term & common ratio are a & r resp then find the  value of S1 + S3 + S5 + ..... + S2n-1

Asked by rushabhjain.avv 2nd November 2019 10:23 PM

## Sum the series to n terms  1.2.4+2.3.7+3.4.10+...

Asked by fishtailfever 10th November 2019 12:38 PM

## If the sum of first four terms of an AP is 40 and that first 14 terms is 280 .Find the sum of its first n terms

Asked by pirnceprince75 24th November 2019 7:53 PM

### ICSE X Maths Geometric Progression

Asked by Kanwaranita10 24th December 2019 6:44 PM

## determine the sum of all natural numbers between 2 and 100 which are exactly divisible by 3

Asked by suneelmsc 25th April 2020 8:04 PM

## if the sum of P terms of an arithmetic progression is equal to some of its Q terms. prove that the sum if(P+Q) terms of it is equal to zero

Asked by suneelmsc 26th April 2020 7:49 PM

## 0.6,1.7,2.8........to100term

Asked by maulaali35 24th October 2020 8:00 AM

## (x-1)/(x+1) + (1/2)(x^2-1)/(x+1)^2 + (1/3)(x^3-1)/(x+1)^3+ ...  infinity

Asked by apoorv.bhardwaj100 30th October 2022 8:06 AM

## applied mathematics

Asked by pardeepsinghkarn412 17th January 2023 5:23 AM

## if in an A.P. the sum of m terms equal to n and the sum of n terms is equal to m, then prove that the sum of (m+n) terms is -(m+n)

Asked by ananya_monica 28th September 2023 7:07 PM

## 1•4•7+2•5•8+3•6•9+....... find sn

Asked by prashantbharati75 29th September 2023 9:30 AM

## 23. For which positive integers n is the ratio, sum k = 1 to n k ^ 2 an integer? sum k = 1 k (A) odd n only (B) even n only

### ICSE X Maths Arithmetic Progression

Asked by shethdhanesh 2nd October 2023 12:34 PM

## If the sum of first n,2n and 3n terms of an AP be S1 S2andS3 respectively then p3 S2-S1

Asked by keshavsinghalhapur 15th January 2024 10:56 AM

## If the sum of the first n terms of an AP be n and the sum of first n terms be m then sum of its (m+n) terms is -(m+n)

Asked by keshavsinghalhapur 16th January 2024 8:46 PM

## find the sum of 7,77,777,7777,up to nth term

Asked by kbhavani936 19th February 2024 2:46 PM