Необходимо составить программу с++ для задание 2

 double x, e, s = 1.0, t = 1.0, q;
long long n = 0;
cin >> e >> x;
q = x * log(3.0);
do { s += t *= q / ++n; } while (fabs(t) >= e);
cout << s << ' ' << pow(3, x); 

 #include <cmath> 
#include <iostream>

using namespace std;

double power(const double x, const unsigned n) { 
    if (!n) return 1.0; 
    auto result = x; 
    for (auto i = 1U; i < n; ++i) result *= x; 
    return result; 
}

double fact(const unsigned n) { 
    auto result = 1.0; 
    if (n < 2U) return result; 
    for (auto i = 2U; i <= n; ++i) result *= i; 
    return result; 
}

double member(double t, double x, unsigned n) { 
    static const auto b = log(t); 
    if (!n) return 1.0; 
    const auto a = power(x, n) * power(b, n); 
    return a / fact(n); 
}

double input(const char* prompt) { 
    cout << prompt; 
    double value; 
    cin >> value; 
    cin.ignore(0x1000, '\n'); 
    return value; 
}

int main() { 
    cout.setf(ios::fixed); 
    cout.precision(15); 
    constexpr auto t = 3.0; 
    const auto x = input("x: "); 
    const auto e = input("E: "); 
    auto n = 0U; 
    auto m = member(t, x, n); 
    auto sum = 0.0; 
    while (e < fabs(m)) { 
        sum += m; 
        ++n; 
        m = member(t, x, n); 
    } 
    cout << "sum:     " << sum << '\n'; 
    cout << "control: " << pow(t, x) << '\n'; 
}