Nested If-else : To find the roots of quadratic equation ax2+bx+c=0 and a!=0

let ax²+bx+c=0: is a quadratic equation
output:
            Enter the values of a,b,c : 1 -5 6
            roots are x1=3  x3= 2


In the above program, a,b,c are the coefficient of quadratic equation. We calculate the discriminant d=b²-4ac. Then using nested if-else statement.

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