一、已知A={x|x²-3x+2=0} B={x|ax-2=0} A∪B=A,求实数a组成的综合.二、已知集合A={x|x²-ax+a²+9=0} B={x|x²-5x+6=0} C={x|x²+2-8=0}且满足A∩B≠∅ A∩C=∅,求实数a的值.
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/13 06:52:54
![一、已知A={x|x²-3x+2=0} B={x|ax-2=0} A∪B=A,求实数a组成的综合.二、已知集合A={x|x²-ax+a²+9=0} B={x|x²-5x+6=0} C={x|x²+2-8=0}且满足A∩B≠∅ A∩C=∅,求实数a的值.](/uploads/image/z/1983903-15-3.jpg?t=%E4%B8%80%E3%80%81%E5%B7%B2%E7%9F%A5A%3D%7Bx%7Cx%26%23178%3B-3x%2B2%3D0%7D+B%3D%7Bx%7Cax-2%3D0%7D+A%E2%88%AAB%3DA%2C%E6%B1%82%E5%AE%9E%E6%95%B0a%E7%BB%84%E6%88%90%E7%9A%84%E7%BB%BC%E5%90%88.%E4%BA%8C%E3%80%81%E5%B7%B2%E7%9F%A5%E9%9B%86%E5%90%88A%3D%7Bx%7Cx%26%23178%3B-ax%2Ba%26%23178%3B%2B9%3D0%7D+B%3D%7Bx%7Cx%26%23178%3B-5x%2B6%3D0%7D+C%3D%7Bx%7Cx%26%23178%3B%2B2-8%3D0%7D%E4%B8%94%E6%BB%A1%E8%B6%B3A%E2%88%A9B%E2%89%A0%26%238709%3B+A%E2%88%A9C%3D%26%238709%3B%2C%E6%B1%82%E5%AE%9E%E6%95%B0a%E7%9A%84%E5%80%BC.)
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