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Mathematics 15 Online
OpenStudy (anonymous):

Integral troubles. :( Please help!

OpenStudy (anonymous):

\[If \int\limits_{1}^{-1}(ax ^{2}-2ax+b)dx=\int\limits_{3}^{0}(ax ^{2}-2ax+b=6\] find the values for a and b

OpenStudy (anonymous):

this is exactly how the question is written out.

OpenStudy (anonymous):

\[(ax ^{3}/3-2a(x ^{2}/2)+b(x))_{1}^{-1}=(a(x ^{3}/3)-2a(x ^{2}/2)+bx)_{3}^{0}=6\]

OpenStudy (anonymous):

the numbers on the bottom and top of the integral sign should be flipped.

OpenStudy (anonymous):

thats what i was thinking because in ur question u have used the wrong limits

OpenStudy (anonymous):

lower limit should have been -1 and upper limit 1

OpenStudy (anonymous):

hope u can solve it further just substitute the values firstly upper limit in whole equation - put lower limit in full equation u will get two equations in two variables solve them to get the values of a and b

OpenStudy (aravindg):

@bmelyk integral troubles over now ?

OpenStudy (anonymous):

not really haha i dont know how to start the problem;

OpenStudy (shubhamsrg):

Just integrate normally, why are you stuck? You know integration right ?

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