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函数的极值

函数的极值. 预习检测：. 概念深化. y. o. a. x. X 1. X 2. X 4. X 3. b. 巩固与延伸. 概念深化. 假设 使 ，那么 在什么情况下是的极值点？. y. o. a. x. X 1. X 2. X 4. X 3. b. 导数值为 0 是函数在此点处为极值点的 必要条件. 变式训练： 1 、已知 x 1 =1 ， x 2 =2 都是函数 f(x)=alnx+bx 2 +x 的极 值点，求 a ， b 的值。. 当堂检测：.

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函数的极值

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  1. 函数的极值

  2. 预习检测：

  3. 概念深化 y o a x X1 X2 X4 X3 b

  4. 巩固与延伸

  5. 概念深化 假设 使 ，那么 在什么情况下是的极值点？ y o a x X1 X2 X4 X3 b 导数值为0是函数在此点处为极值点的必要条件

  6. 变式训练： 1、已知x1=1，x2=2都是函数f(x)=alnx+bx2+x的极 值点，求a，b的值。

  7. 当堂检测：

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