is it 15i^2 ?
ohhh thanks!! :)
wait, i get the i-part but i don't see how you got 24. isn't sqrt(3)*sqrt(12) = sqrt(3*12) ?Quote:
So now your question becomes http://latex.codecogs.com/png.latex?...5Csqrt%7B24%7D
Aside from the arithmetic mistake, Plato was correct. Express the radicals in terms of i and simplify. Recall that