railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Algebra Quadratic Equation
Which of the following is NOT a quadratic equation?
1
\((x + 1)^2 = 2(x - 3)\)
2
\((x + 2)^2 = 2x(x + 1)\)
3
\(x^2 + 3x +1 = (x - 2)^2\)
4
\(m(2m + 3) = m^2 + 1\)