series-sum

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Find the Sum of the series 1 + 1/3 + 1/5 + 1/7 + ... till N terms

Last Updated: 19 August 2022

Given a number N, the task is to find the sum of the below series till N terms.[Tex]1 + \frac{1}{3} + \frac{1}{5} + \frac{1}{7} + ...[/Tex]Examples:Input: N = 10Output: 2. ...read more

Sum of all numbers in the given range which are divisible by M

Last Updated: 03 January 2023

Given three numbers A, B and M such that A B, the task is to find the sum of numbers divisible by M in the range [A, B].Examples:Input: A = 25, B = 100, M = 30Output: 180 ...read more

arithmetic progression

DSA

Sum of the series 1^1 + 2^2 + 3^3 + ..... + n^n using recursion

Last Updated: 22 September 2022

Given an integer n, the task is to find the sum of the series 11 + 22 + 33 + ..... + nn using recursion.Examples:Input: n = 2Output: 511 + 22 = 1 + 4 = 5Input: n = 3Output ...read more

Program to find sum of harmonic series

Last Updated: 27 August 2022

Harmonic series is inverse of a arithmetic progression. In general, the terms in a harmonic progression can be denoted as 1/a, 1/(a + d), 1/(a + 2d), 1/(a + 3d) .... 1/(a ...read more

Sum of all natural numbers in range L to R

Last Updated: 27 August 2022

Given a range L and R, the task is to find the sum of all natural numbers in range L to R.Examples:Input: L = 2, R = 5Output: 142 + 3 + 4 + 5 = 14Input: L = 10, R = 20Outp ...read more

Program to find the sum of the series (1/a + 2/a^2 + 3/a^3 + ... + n/a^n)

Last Updated: 21 March 2023

Given two integersa andn. The task is to find the sum of the series 1/a + 2/a2 + 3/a3 + ... + n/an.Examples:Input: a = 3, n = 3Output: 0.6666667The series is 1/3 + 1/9 + 1 ...read more

Technical Scripter 2018

DSA

Program to find sum of 1 + x/2! + x^2/3! +...+x^n/(n+1)!

Last Updated: 16 August 2022

Given a number x and n, the task is to find the sum of the below series of x till n terms:[Tex]1+\frac{x}{2!}+\frac{x^{2}}{3!}+..+\frac{x^{n}}{(n+1)!}[/Tex]Examples:Input: ...read more

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

Last Updated: 08 December 2022

Given an integer N, the task is to find the sum of series 20 + 21 + 22 + 23 + .... + 2n.Examples:Input: 5Output: 3120 + 21 + 22 + 23 + 24= 1 + 2+ 4 + 8 + 16= 31Input: 10Ou ...read more

Program for sum of cos(x) series

Last Updated: 20 February 2023

Given n and x, where n is the number of terms in the series and x is the value of the angle in degree.Program to calculate the value of cosine of x using series expansion ...read more

Mathematical

series-sum

DSA

Basic Coding Problems

Program to print the sum of the given nth term

Last Updated: 14 September 2023

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:Tn = n2 - ( n - 1 )2Examples :Input : 3Output : 9Explanatio ...read more

Mathematical

series-sum

DSA

Sum of series 1^2 + 3^2 + 5^2 + . . . + (2*n - 1)^2

Last Updated: 15 June 2022

Given a series 12 + 32 + 52 + 72 + . . . + (2*n - 1)2, find sum of the series.Examples:Input : n = 4Output : 84Explanation : sum = 12 + 32 + 52 + 72 = 1 + 9 + 25 + 49 ...read more

Sum of cubes of even and odd natural numbers

Last Updated: 25 October 2022

We know that sum of cubes of first n natural numbers is = (n(n+1)/2)2.Sum of cube of first n even natural numbers 23 + 43 + 63 + ......... + (2n)3Even Sum = 23 + 43 + 63 + ...read more

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