题目:
过抛物线x2=4y的焦点F作与y轴垂直的直线与抛物线相交于点P,则抛物线在点P处的切线l的方程为______.
答案:
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Body language is ∧means of unspoken communication, which people use to express 1. ahis feelings. Body language is different based on each...