**Write a C program to calculate the following Sum:Sum=1-x2/2! +x4/4!-x6/6!+x8/8!-x10/10!*/**

#include <stdio.h>

#include <math.h>

void main

**()****{**

int counter

**,**f_coun**;**float sum

**=**0**,**x**,**power**,**fact**;**clrscr

**();**printf

**(**"<-----------------------PROGRAM FOR SUM OF EQ. SERIES----------------------->"**);**printf

**(**"\n\n\tEQUATION SERIES : 1- X^2/2! + X^4/4! - X^6/6! + X^8/8! - X^10/10!"**);**printf

**(**"\n\n\n\tENTER VALUE OF X : "**);**scanf

**(**"%f"**,&**x**);****for**

**(**counter

**=**0

**,**power

**=**0

**;**power

**<=**10

**;**counter

**++,**power

**=**power

**+**2

**)**

**{**

fact

**=**1**;**//CALC FACTORIAL OF POWER VALUE

**for**

**(**f_coun

**=**power

**;**f_coun

**>=**1

**;**f_coun

**--)**

fact

***=**f_coun**;**//EQ. FOR SUM SERIES

sum

**=**sum**+(**pow**(-**1**,**counter**)*(**pow**(**x**,**power**)/**fact**));****}**

printf

**(**"SUM : %f"**,**sum**);**getch

**();****}**