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Title Solving Quadratic Equations using Factorisation:( Shows SOLUTION )
Author Sanchit Karve
Author Email born2c0de [at] hotmail.com
Description Prints the Solution of a Quadratic Equation on Screen as you
would solve it using Factorisation.
Each and every step is shown as it is solved on paper.
Category C++ » Mathematics
Hits 392636
Code Select and Copy the Code
#include <stdlib.h> #include <iostream.h> #include <math.h> #include <conio.h> void main() { cout<<" Quadratic Equation Calculator"<<endl<<" by Sanchit Karve"<<endl<<endl; float a,b,c,x,y; cout<<" Equation must be in the form of ax?+bx+c=0"<<endl<<endl; cout<<" Please enter the value of a: "; cin>>a; cout<<" Please enter the value of b: "; cin>>b; cout<<" Please enter the value of c: "; cin>>c; x=((-b+sqrt((b*b)-(4.0*a*c)))/(2.0*a)); y=((-b-sqrt((b*b)-(4*a*c)))/(2*a)); clrscr(); cout<<"HERE IS THE SOLUTION USING FACTORISATION "; cout.setf(ios::showpos); float mul=(x*-1)*(y*-1); cout<<" x?"<<(y*-1)+(x*-1)<<"x"<<mul<<"=0 "; cout<<" x?"<<y*-1<<"x"<<x*-1<<"x"<<(x*-1)*(y*-1)<<"=0 "; // x?+2x-1x-2=0 cout<<" x(x"<<y*-1<<")"<<x*-1<<"(x"<<y*-1<<")=0 "; // x(x+2)-1(x+2) cout<<" (x"<<x*-1<<")(x"<<y*-1<<")=0 "; // (x-1) (x+2)=0 cout.unsetf(ios::showpos); cout<<" x="<<x<<" & x="<<y<<" "; cout<<" Sanchit Karve [email protected]"; exit(EXIT_SUCCESS); }

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