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谁可以explain 什么是vector equation?就是那个r=a+tb. |
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发表于 7-2-2010 10:17 PM
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find the equation of the plane which is parallel to the plane 3x+2y-6z-24=0 and passes through the point (1,0,0).hence determine the distance between these two planes. |
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发表于 14-2-2010 02:39 PM
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回复 2# 數學神童
你确定这是 form6 syllabus 吗？我们都学 x 和 y 而已。你学了 z？ |
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