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【简答题】
已知函数 ，曲线 在点x=1处的切线为 ，若 时， 有极值。 （1）求 的值； （2）求 在 上的最大值和最小值。
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反馈参考答案：
举一反三
【简答题】请在括号里填写划线单词的中文意思: Everyone is looking for a stylish ( ) garment.
【简答题】请在括号里填写划线单词的中文意思: Our Ref ( ).:CS49/198101
【简答题】请在括号里填写划线单词的中文意思: The world of fashion began with individual couturiers ( ).
【单选题】This year we will produce______they did last year.
A.
as twice many cars as
B.
twice as many than cars
C.
twice as many cars as
D.
cars twice many that
【简答题】请在括号里填写划线单词的中文意思: Your information will be greatly appreciated. ( )
【单选题】We have spent ______ sum of money ______ we did last year on advertising.
A.
the same as
B.
the same that
C.
such as
D.
as as
【简答题】请在括号里填写划线单词的中文意思: Perception ( ) of Body Appearance and Its Relations to Clothing
【简答题】请在括号里填写划线单词的中文意思: Male and female proportions differ only in circumference ratios ( ).
【单选题】已知 A 是矩阵,求 A 的对角矩阵 的 函数是 ( ) ,求 A 的下三角矩阵 的 函数是 ( ) 。
A.
eig (A) ,triu(A)
B.
eig(A) ,tril(A)
C.
diag(A), triu(A)
D.
diag(A), tril(A)
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