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  1. #include <iostream>
  2. #include <cmath> 
  3.  
  4. using namespace std;
  5.  
  6. int main() {
  7.     int x;
  8.     cout << "Enter the value of x: ";
  9.     cin >> x;
  10.  
  11.     switch (x) {
  12.         case 6: {
  13.             double a = 2;
  14.             double b = 3;
  15.             double result1 = a * x + b * x * x;
  16.             cout << "For x = 6, ax + bx*x = " << result1 << endl;
  17.             break;
  18.         }
  19.         case 2: {
  20.             double e = exp(1); 
  21.             double result2 = e + x * x;
  22.             cout << "For x = 2, e + x*x = " << result2 << endl;
  23.             break;
  24.         }
  25.         case 7: {
  26.             double b = 1;
  27.             double result3 = sin(2 * b * x);
  28.             cout << "For x = 7, sin(2 * b * x) = " << result3 << endl;
  29.             break;
  30.         }
  31.         default:
  32.             cout << "No operation defined for this value of x." << endl;
  33.     }
  34.  
  35.     return 0;
  36. }
  37.  
Success #stdin #stdout 0s 5276KB
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Enter the value of x: No operation defined for this value of x.
https://ideone.com/vVhu7J
language:
C++ (gcc 8.3)
created:
5 hours ago
visibility:
public

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