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so basically
\[\int\limits_{1}^{4} \frac{ x^2 }{ \left| x \right| } dx\]
?

but what about the absolute value?

And so where you see \[ |x | \] you can just write \[ x \]

wait. the abs. value doesnt matter cuz it's always positive from 1-4 right?

that's right.

wait. typo....

\[\int\limits_{-4}^{2} f(x)dx\]

wait. but i think it's the same concept

but how would you integrate that? just assume it's x^2/x ??

why from 0 to 2 ?

oh wait nvm i got it

|dw:1355978372554:dw|

i got -6

I got 10. I might have been a little rough in calculation though.

wolfram alpha confirms an answer of 10.

stupid negative sign...
either way, the answer's 2

ohh can i see the wolfram alpha one? do u have a link?

http://www.wolframalpha.com/input/?i=integral+from+x+%3D+-4+to+x%3D2+of+x^2+%2F+abs%28x%29+dx

thanks.

oh just that ok then yeah i understand

\[= \int\limits_{-4}^{0} - x dx + \int\limits_{0}^{2} x dx\]

but what about when x = 0?

Oh yeah just use limits like the other person did. And it'll come out to what I wrote up there.

ok then thanks.

You'd probably write it like that if you wanted to be heaps formal.

just kidding my teacher printed all the answers wrong -_-

huh? Kidding about what?