Freud's mistake, and it's--although I'm picking on Freud, it's not only Freud that runs this sort of argument.
弗洛伊德是错的,虽然我选择他做例子,不仅是弗洛伊德一个人持有这种论点。
And I'm not only talking about African-American.
我谈论的不仅仅是非洲裔美国人。
And I remember quite clearly thinking to myself as that happened-- the whole thing lasted only a few moments-- but I remember thinking quite clearly, " "I'm going to die."
我十分清楚地记得当时自己是怎么想的-,整件事就持续了几秒钟-,但我非常清楚地记得,“我要死了“
I'm all set, I only use this chalk.
我很好,不---我准好了,我只有这只粉笔,I’m,fine。,I,don’t,–
The only place q1 appears here is here, so when I differentiate again I'm going to get -2b and sure enough that's negative, which is what I wanted to know, just to check that when I'm finding this thing, I'm finding a maximum and not a minimum.
只有这一处有q1,因此二阶导数是-2b,它肯定是个负数了,这正是我们想得到的结果,这就验证了我们刚才得出的,是最大值而不是最小值
应用推荐