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Draw the Flow Chart to Find Roots of a Quadratic Equation. - Structured Programming Approach

Draw the flow chart to find roots of a quadratic equation. 

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Solution

Ans.
Algorithm :-
Step I : Start.
Step II : Input a,b,c,del,r1,r2.
Step III : Print “Enter the value of coefficient of the X^2.”
Step IV : Read a.
Step V : Print “Enter the value of coefficient of the X.”
Step VI : Read b.
Step VII : Print “Enter the value of constant C.”
Step VIII : Read c.
Step IX : del = b X b – 4 X a X c
Step X : If del is less than zero Then,
                    r1 = ( -b / ( 2 X a ) ) + sqrt ( del ) / 2 X a
                    r2 = ( -b / ( 2 X a ) ) - sqrt ( del ) / 2 X a
                   Print “Roots are complex and unequal.”
                  Print “The roots for the entered values are r1                        and r2.”
Else - if del is greater than zero Then,
                  r1 = ( -b / ( 2 X a ) ) + sqrt ( del ) / 2 X a
                  r2 = ( -b / ( 2 X a ) ) - sqrt ( del ) / 2 X a
                  Print “Roots are real and unequal.”
                 Print “The roots for the entered values are r1                         and  r2.”
Else,
              r1 = ( -b / ( 2 X a ) ) + sqrt ( del ) / 2 X a
              Print “Roots are real and equal.”
             Print “The root for the entered values is r1.”

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