The differential equation of all parabolas whose axes are along x-axis is
A. \(y_{2}^{2}+y_{1}=0\)
B. \(y_{1}^{2}+y_{2}=0\)
C. \(y_{1}^{2}+y_{1} y_{2}=0\)
D. \(y_{1}^{2}+y y_{2}=0\)
Answer:D
The differential equation of all parabolas whose axes are along x-axis is
A. \(y_{2}^{2}+y_{1}=0\) B. \(y_{1}^{2}+y_{2}=0\) C. \(y_{1}^{2}+y_{1} y_{2}=0\) D. \(y_{1}^{2}+y y_{2}=0\)