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Write a program to find roots of a quadratic equation using functions and switch statements.

Updated on March 15, 2010


Write a program to find roots of a quadratic equation using functions and switch statements.


void main()
float a,b,c,x1,x2,disc;
printf("Enter the co-efficients\n");
printf("The roots are distinct\n");
printf("The roots are equal\n");
printf("The roots are complex\n");
printf("The first root=%f+i%f\n",x1,x2);
printf("The second root=%f-i%f\n",x1,x2);


Enter the co-efficients:26
The roots are complex
The first root=-0.865385+i1.185308
The second root=-0.865385-i1.185308.

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C++ Has a built-in multiple branch selection statement called switch. The switch statement successively tests the value of an expression against a list of integer or character constants. When a match is found, the statement associated with that constant are executed.


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    • profile image


      3 years ago

      i want a program to calculate the root of quadratic equation using function

    • profile image

      arsh gill 

      4 years ago

      thank you

    • profile image


      5 years ago

      i want recursion program as early as possible

    • profile image


      7 years ago

      why we need to print first and second root

    • profile image


      7 years ago

      its wrong.........@ 18 th statement it must be else if...

    • profile image

      Kanakendu karmakar 

      7 years ago

      I want to create a project of official management by c programming, help me.

    • faisalfazlani profile image


      7 years ago

      dear i want a project of calendar in c plz help me .send me as sooon as possible

    • profile image


      8 years ago

      Hi can you write program for this problem Please?

      write a computer program to find the roots of the following equation

      f(x) = -1 + 5.5x - 4x2 + 0.5x3

      employing the following methods: Graphical, bisection, false position, newton, and secant.

      Compute the ture error and compare grphically with the number of iterations for each methods.

      Include in your report tilte page and the results

    • profile image

      Dayakar. T 

      8 years ago

      thank you very much that was a very detailed and useful information


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