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高中数学课本第二册第141页第3题:求与双曲线x~2/9=y~2/16=1有共同的渐近线,且经过点A(-3,2 3~(1/2))的双曲线方程。不少学生是这样解的:
High School Mathematics Textbook Volume 2 Page 141 Problem 3: Finding a hyperbolic x~2/9=y~2/16=1 has a common asymptote, and passes through point A(-3,2 3~(1) / 2)) Hyperbolic equations. Many students explain this: