Sudhir sharma has Published 1148 Articles

Average of Squares of n Natural Numbers?

sudhir sharma

sudhir sharma

Updated on 19-Aug-2019 09:10:15

302 Views

Given a number n, we need to find the average of the square of natural Numbers till n. For this we will first The squares of all the numbers till n. then we will add all these squares and divide them by the number n.Input 3 Output 4.666667Explanation12 + 22 ... Read More

Add 1 to the number represented as array (Recursive Approach)?

sudhir sharma

sudhir sharma

Updated on 19-Aug-2019 08:59:09

588 Views

Given an array which is a collection of non-negative number represented as an array of digits, add 1 to the number (increment the number represented by the digits ). The digits are stored such that the most significant digit is the first element of the array.To add 1 to the ... Read More

acosh() function for complex number in C++

sudhir sharma

sudhir sharma

Updated on 19-Aug-2019 08:47:55

152 Views

The acosh() is the inverse hyperbolic cosine function that returns the inverse hyperbolic cosine of the element passed as parameter. this dysfunction can be out operate over complete. all the it are in radians.To use this method over complex numbers in C plus plus we need to define a template ... Read More

C++ STL asinh() function

sudhir sharma

sudhir sharma

Updated on 19-Aug-2019 08:45:48

146 Views

The asinh() function is a function of standard C++ library. The asinh(value) is an inverse hyperbolic sine that returns the value of sinh(x) where x is in radian.The function −asinh() ;Parameter to the function, inverse hyperbolic angle in radian . It can be negative, positive or zero. The parameter value ... Read More

A square matrix as sum of symmetric and skew-symmetric matrix ?

sudhir sharma

sudhir sharma

Updated on 19-Aug-2019 08:43:39

974 Views

Symmetric Matrix − A matrix whose transpose is equal to the matrix itself. Then it is called a symmetric matrix.Skew-symmetric matrix − A matrix whose transpose is equal to the negative of the matrix, then it is called a skew-symmetric matrix.The sum of symmetric and skew-symmetric matrix is a square ... Read More

Sum of square-sums of first n natural numbers

sudhir sharma

sudhir sharma

Updated on 19-Aug-2019 08:41:19

444 Views

The sum of square-sums of the first n natural numbers is finding the sum of sum of squares upto n terms. This series finds the sum of each number upto n, and adds this sums to a sum variable.The sum of square-sum of first 4 natural numbers is −sum = ... Read More

Sum of square of first n odd numbers

sudhir sharma

sudhir sharma

Updated on 19-Aug-2019 08:40:00

3K+ Views

The series of squares of first n odd numbers takes squares of of first n odd numbers in series.The series is: 1, 9, 25, 49, 81, 121…The series can also be written as − 12, 32, 52, 72, 92, 112….The sum of this series has a mathematical formula −n(2n+1)(2n-1)/ 3= ... Read More

Sum of all subsets of a set formed by first n natural numbers

sudhir sharma

sudhir sharma

Updated on 19-Aug-2019 08:35:14

249 Views

A Set is a collection of data elements. Subset of a set is a set formed by only the elements after parent set. for example, B is A subset of a if all elements of B exist in A.Here we need to find the sum of all subsets of a ... Read More

Sum of series with alternate signed squares of AP

sudhir sharma

sudhir sharma

Updated on 19-Aug-2019 08:33:11

340 Views

An arithmetic progression (AP) is a series of numbers in which the difference between two consecutive terms in the same. The difference is calculated by subtracting the second term from the first.Let's take a sample sequence to know about AP, 5, 7, 9, 11, 13, 15, . . . The ... Read More

Sum of series 2/3 – 4/5 + 6/7 – 8/9 + …… upto n terms

sudhir sharma

sudhir sharma

Updated on 19-Aug-2019 08:30:52

511 Views

A series is a sequence of numbers that have some common traits that each number follows. There are various series defined in mathematics with sum mathematical logic or mathematical formula. In this problem we are given a series of numbers 2/3 , -4/5 , 6/7 , -8/9 , …..The general ... Read More

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