# Tag Archives: series-sum

## Sum of first n terms of a given series 3, 6, 11, …..

Given a series and a number n, the task is to find the sum of its first n terms. Below is the series: 3, 6,… Read More »

## Sum of first n term of Series 3, 5, 9, 17, 33….

Given n, we need to find sum of first n terms of the series represented as Sn = 3 + 5 + 9 + 17… Read More »

## Program to find Sum of the series 1*3 + 3*5 + ….

Given a series: Sn = 1*3 + 3*5 + 5*7 + … It is required to find the sum of first n terms of this… Read More »

## Sum of sum of all subsets of a set formed by first N natural numbers

Given N, and ff(N) = f(1) + f(2) + …… + f(N), where f(k) is the sum of all subsets of a set formed by… Read More »

## Sum of series till N-th term whose i-th term is i^k – (i-1)^k

Given value of N and K. The task is to find the sum of series till N-th term whose i-th term is given by Ti… Read More »

## Sum of the series 2^0 + 2^1 + 2^2 +…..+ 2^n

Given an integer N, the task is to find the sum of series 20 + 21 + 22 + 23 + …. + 2n. Examples:… Read More »

## Sum of product of consecutive Binomial Coefficients

Given a positive ineteger n. The task is to find the sum of product of consecutive binomial coefficient i.e nC0*nC1 + nC1*nC2 + ….. +… Read More »

## n-th term of series 1, 17, 98, 354……

Given a series 1, 17, 98, 354 …… Find the nth term of this series. The series basically represents sum of 4th power of first… Read More »

## Sum of series 1*1! + 2*2! + ……..+ n*n!

Given n, we need to find sum of 1*1! + 2*2! + ……..+ n*n! Examples: Input: 1 Output: 1 Input: 3 Output: 23 1 *… Read More »

## Sum of series 1*1*2! + 2*2*3! + ……..+ n*n*(n+1)!

Given n, we need to find sum of 1*1*2! + 2*2*3! + ……..+ n*n*(n+1)! Examples: Input: 1 Output: 2 Input: 3 Output: 242 We may… Read More »

## Sum of square-sums of first n natural numbers

Given a positive integer n. The task is to find the sum of the sum of square of first n natural number. Examples : Input… Read More »

## Sum of first n natural numbers

Given a positive integer n. The task is to find the sum of the sum of first n natural number. Examples: Input : n =… Read More »

## Sum of range in a series of first odd then even natural numbers

The sequence first consists of all the odd numbers starting from 1 to n and then remaining even numbers starting 2 up to n. Let’s… Read More »

## Program for sum of cos(x) series

Given n and b, where n is the number of terms in the series and b is the value of the angle in degree. Program… Read More »

## Program to print the sum of the given nth term

Given the value of the n. You have to find the sum of the series where the nth term of the sequence is given by:… Read More »