作者ahongyeh (小叶子)
看板trans_math
标题[考古] 中兴95(化学、物理、资科) 第三题
时间Thu Jun 7 15:03:45 2007
Let L be any tangent line to the curve
√x + √y = √c (in the first quadrant).
Show that the sum of the x- and y- intercepts of L is c.
有高手知道这该怎麽证吗!?
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