有市民表示,为配合亚运开展的一系列工程"令广州变了一个大工地",自己"未见其利,先受折腾"。
Residents have complained that they were worn down as "Guangzhou becomes a big building site" while the benefits of the games seem so far away.
So I differentiated this object, this is my first derivative and I set it equal to 0 Now in a second I'm going to work with that, but I want to make sure i'm going to find a maximum and not a minimum, so how do I make sure I'm finding a maximum and not a minimum?
这样我就对它求出导数了,这是一阶导数,令它等于0,一会我们就要计算了,但我先确定一下是最大值还是最小值,我怎么确定是最大值还是最小值呢
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