登入
JEE Advance - Mathematics (1999 - No. 31)
The curve described parametrically by $$x = {t^2} + t + 1,$$ $$y = {t^2} - t + 1 $$ represents
a pair of straight lines
an ellipse
a parabola
a hyperbola
评论 (0)
登录发表评论
广告
允许 javascript 正确加载此页面
