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通過兩固定點且互相垂直的兩直線交點的軌跡
Author:
Anthony OR 柯志明
M 和 N 是平面上兩個固定點。已知 P 點移動時, 始終保持 ∠MPN = 90°,P 點的軌跡是甚麼?
M 和 N 是平面上兩個固定點。已知 P 點移動時, 始終保持 ∠MPN = 90°,P 點的軌跡是甚麼?
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