engineering recuitment BARC Stipendiary Trainee Category II 2023 Mock Test Quantitative Aptitude Algebra Quadratic Equation
Which of the following is known as a quadratic formula?
1
\(\rm \frac{b \pm \sqrt{b^2-4ac}}{2a}\)
2
\(\rm \sqrt{b^2-4ac}\)
3
\(\rm \frac{-b \pm \sqrt{b^2-4ac}}{2}\)
4
\(\rm \frac{-b \pm \sqrt{b^2-4ac}}{2a}\)