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Definite integral 
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#19
Jan1812, 04:02 PM

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#20
Jan1912, 06:35 PM

P: 44

All right, well this is probably wrong but here is what I got!
I took out the 2, which I didn't I could do which is probably what confused me the most.. I'm having trouble with the symbols right now but I essentially put the 2 in front of the integral of the function and substracted the integral of 3. Which gave me 603x... Is that right?? 


#21
Jan1912, 07:05 PM

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#22
Jan1912, 07:41 PM

P: 44

Yes that is how I wrote it. How should I solve the second part? I've been looking everywhere... The only thing I could find was that it's supposed to be the anti derivative.. Well 3x is the antiderivative of 3 isn't it?



#23
Jan1912, 08:05 PM

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Remember [itex]\int_a^b f(x)dx = F(b)  F(a)[/itex], where F(x) is the antiderivative of f(x). 


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