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Oct 25th, 2016
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  1. #include <iostream>
  2. #include <conio.h>
  3. #include <cmath>
  4. using namespace std;
  5. int main()
  6. {
  7. double x, p, s, a, e;
  8. int k;
  9. setlocale(LC_ALL, "Russian");
  10. cout << "Пожалуйста, введите x = "; cin >> x;
  11. cout << "Пожалуйста, введите a = "; cin >> a;
  12. cout << "Пожалуйста, введите погрешность eps = "; cin >> e;
  13. s = 0.000f;
  14. k = 1;
  15. p = a*x;
  16. while (fabs(p) >= e)
  17. {
  18. s += p;
  19. k++;
  20. p *= ((a - 2 * k)*x) / (a*(k + 1));
  21. }
  22. s += 1;
  23. cout << "Сумма равна s = " << s << endl;
  24. cout << "Количество элементов k = " << k << endl;
  25. system("pause");
  26. return 0;
  27. }
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