The vertex of the parabola whose parametric
\( \mathrm{P} \) equati...
The vertex of the parabola whose parametric
\( \mathrm{P} \) equation is \( x=t^{2}-t+1, y=t^{2}+t+1 ; t \in R \), is:
W
(1) \( (1,1) \)
(2) \( (2,2) \)
(3) \( (1 / 2,1 / 2) \)
(4) \( (3,3) \)
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