C Program to Find Roots of a Quadratic Equation2 min read

Quadratic equations are the polynomial equation having a degree 2. For a quadratic equation ax2+ bx + c = 0, (a≠0) and the discriminant (D = b2-4ac) decides the nature of roots. There are three possibilities of discriminant and those are:

  1. when d>0, the roots are real and distinct
  2. when d=0, the roots are real and equal
  3. when d<0, the roots are real and imaginary
quardraic equation program

In order to understand the program, you need to have the knowledge of the following in C Programming:

Find the Roots of a Quardratic Equation in C

The program uses sqrt() library function in order to calculate the square root of a number. To use sqrt(), math.h header file is used.


quadratic equation


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