Program to Find Roots of a Quadratic Equation

c roots of quadratic eon 5 years, 3 months ago

#include <stdio.h> #include <math.h> int main() { double a, b, c, discriminant, root1, root2, realPart, imaginaryPart; printf("Enter coefficients a, b and c: "); scanf("%lf %lf %lf",&a, &b, &c); discriminant = b*b-4*a*c; // condition for real and different roots if (discriminant > 0) { // sqrt() function returns square root root1 = (-b+sqrt(discriminant))/(2*a); root2 = (-b-sqrt(discriminant))/(2*a); printf("root1 = %.2lf and root2 = %.2lf",root1 , root2); } //condition for real and equal roots else if (discriminant == 0) { root1 = root2 = -b/(2*a); printf("root1 = root2 = %.2lf;", root1); } // if roots are not real else { realPart = -b/(2*a); imaginaryPart = sqrt(-discriminant)/(2*a); printf("root1 = %.2lf+%.2lfi and root2 = %.2f-%.2fi", realPart, imaginaryPart, realPart, imaginaryPart); } return 0; }

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Program to Find Roots of a Quadratic Equation

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