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  1. If x = at2 and y = 2at then
    1. x2 = 4ay
    2. y2 = 4ax
    3. x2 + y2 = a2
    4. x2 − y2 = a2
Correct Option: B

x = at2
y = 2at
⇒  y2 = 4a2t2
= 4a.at2 = 4ax


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