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Mathematics 11 Online
OpenStudy (math2400):

can someone explain this? I don't understand my instructors steps:

OpenStudy (math2400):

suppose that f(1) =2. f(4)=5, f'(4)=3, and f'' is continuous. Find the value of \[\int\limits_{1}^{4} xf''(x)dx\]

OpenStudy (math2400):

the answer is 9 but im not sure how my prof. did it. i think he tried taking the anti-deriv. first. or used some kind of property. cuz he got something like: |dw:1433615204902:dw|

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