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试题已知复数，复数在复数平面上所对应的点分别为P、Q．证明：△OPQ是等腰直角三角形（其中O为原点）．（OA（z1）OB（z_2）Re（z_2）=0）又△OPQ为等腰Rt△．解法2同解法1得理科第20题别解@冯连福$郑州铁路一中!450000@贾崇武$陕西户县二中!710307@贾炳麟$山东曹县一中!27440
The test questions are known as complex numbers. The corresponding points of the complex numbers on the complex plane are P and Q, respectively. Proof: △ OPQ is an isosceles right triangle (where O is the origin). (OA(z1)OB(z_2)Re(z_2)=0) and △OPQ is an isosceles Rt △. Solution 2 Same Solution 1 Deke 20th Solution @ Feng Lianfu $ Zhengzhou Railway No. 1! 450000@ Jia Chongwu $ Huxi County, Shaanxi Province II! 710307@ Jia Binglin $ Cao County, Shandong Province, China!