question_answer

Which of the following points lie on the parabola \[{{x}^{2}}=4ay\] [RPET 2002]

A)            \[x=a{{t}^{2}},\ y=2at\]            

B)            \[x=2at,\ y=at\]

C)            \[x=2a{{t}^{2}},\ y=at\]            

D)            \[x=2at,\ y=a{{t}^{2}}\]