Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Please remove some minor errors from the program.

Program # 05: Program to Find All Roots of a Quadratic Equation #include <iostream> #include <cmath> using namespace std; int main() { float a, b, c, x1, x2, discriminant, realPart, imaginaryPart; cout << "Enter coefficients a, b and c: "; cin >> a >> b > c; discriminant = b*b - 4*a*c; if (discriminant > 0) { x1 = (-b + sqrt(discriminant)) / (2*a); x2 = (-b - sqrt(discriminant)) / (2*a); cout <«< "Roots are real and different." « endl; cout <« "x1 = " << x1< endl; cout << "x2 = " < x2 < endl; } else if (discriminant == 0) { cout << "Roots are real and same." < endl; x1 = -b/(2*a); cout < "x1 = x2 =" << x1 << endl; } else { realPart = -b/(2*a); imaginaryPart =sqrt(-discriminant)/(2*a); cout << "Roots are complex and different." << endl; cout < "x1 = " << realPart <« "+" << imaginaryPart <« "i" << endl; cout <« "x2 = " << realPart <« "-" << imaginaryPart <« "i" << endl; } return 0;
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Transcribed Image Text:Program # 05: Program to Find All Roots of a Quadratic Equation #include <iostream> #include <cmath> using namespace std; int main() { float a, b, c, x1, x2, discriminant, realPart, imaginaryPart; cout << "Enter coefficients a, b and c: "; cin >> a >> b > c; discriminant = b*b - 4*a*c; if (discriminant > 0) { x1 = (-b + sqrt(discriminant)) / (2*a); x2 = (-b - sqrt(discriminant)) / (2*a); cout <«< "Roots are real and different." « endl; cout <« "x1 = " << x1< endl; cout << "x2 = " < x2 < endl; } else if (discriminant == 0) { cout << "Roots are real and same." < endl; x1 = -b/(2*a); cout < "x1 = x2 =" << x1 << endl; } else { realPart = -b/(2*a); imaginaryPart =sqrt(-discriminant)/(2*a); cout << "Roots are complex and different." << endl; cout < "x1 = " << realPart <« "+" << imaginaryPart <« "i" << endl; cout <« "x2 = " << realPart <« "-" << imaginaryPart <« "i" << endl; } return 0;
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