I couldn't see how this result had been arrived at, but it is repeated later on as well. I'm guessing it was just copied from earlier then, just wasn't sure if i was missing out something or if it really was a mistake.
Thanks for the confirmation guys.
Sorry, but what do you mean by primitive function?
I was performing one of the intergrations then the other. So first:
\int_{0}^{1} y^2\; dy
Which gives \left[ \frac{y^3}{3} \right]_{0}^{1} , but this is wrong?
Thanks for the info and the link Kurdt. I have now written the formula up in LaTeX.
flux = \int_{0}^{1}\int_{0}^{1} y^2\; dy dz
= \frac{1}{2} \left[ y^3 \right]_{0}^{1} \int_{0}^{1} dz
= \frac{1}{2}
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