Question 3

// sol-final-ex1.cpp : Defines the entry point for the console application.
/*
swap main with secondary diagonal bewteen a[4][4],b[4][4] using pointer concepts in (enters , swap , print)
*/

#include "stdafx.h"
#include "iostream"
using namespace std;

int main()
{
    float f = 0;
    float k1 = 4, k2 = 5, n, i, fact = 1, x, k3 = 2, k4=5;
    cout << "Enter Number of formula : ";
    cin >> n;
    cout << "Enter Value of X : ";
    cin >> x;
    for(i=1;i<=x;i++)
        fact = fact*i;
    for (i = 1;i <= n;i++) {
        f += k1*fact / k4*x;
        k4 = k2 - k3;
        k4 *=k4;
        k2 += 4;
        k1 = (k1 * 3) + 5;
        x = x * x;
    }
    cout << "The res : " << f << endl;
    return 0;
}