请问一下判别式法求函数值域的原理/本质到底是什么OO希望用通俗的语言解释一下~谢谢
<p>问题：请问一下判别式法求函数值域的原理/本质到底是什么OO希望用通俗的语言解释一下~谢谢<p>答案：↓↓↓<p class="nav-title mt10" style="border-top:1px solid #ccc;padding-top: 10px;">韩江义的回答：<div class="content-b">网友采纳 就是判别式大于零图像就与X轴有交点········································································································
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