A) \[x={{t}^{2}},\ y=2t\]
B) \[x=2{{t}^{2}},\ y=4t\]
C) \[x=2t,\ y=4{{t}^{2}}\]
D) None of these
Correct Answer: B
Solution :
Parametric equations of \[{{y}^{2}}=4ax\]are \[x=a{{t}^{2}},\,y=2at\] Hence if equation is\[{{y}^{2}}=8x\], then parametric equations are\[x=2{{t}^{2}},y=4t\].
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