I have difficulties to deal with these kinds of questions. So, thank you for answering!
There is a missing condition: f has the 12th derivative. So f(x)=1/2*x^2+x does not satisfy the condition. Sorry!
lawliet wrote:I have difficulties to deal with these kinds of questions. So, thank you for answering!
tarheel wrote:lawliet wrote:I have difficulties to deal with these kinds of questions. So, thank you for answering!
If this is a multiple choice question and there is only one correct answer, then it's simple. Let , then . So . So .
lawliet wrote:tarheel wrote:
If this is a multiple choice question and there is only one correct answer, then it's simple. Let , then . So . So .
Sorry, there is a missing condition that f(x) has the 12th derivative. So, do you have other methods?
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