I can quite grasp what is going on here. Can your bright minds please shine a little light my way. I do understand the first 2 but I don't know how they came about with the last two.

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- Nov 23rd 2013, 12:46 PMthatsmessedupPlease help me understand this problem
I can quite grasp what is going on here. Can your bright minds please shine a little light my way. I do understand the first 2 but I don't know how they came about with the last two.

- Nov 23rd 2013, 01:01 PMHallsofIvyRe: Please help me understand this problem
You appear to be saying that you know that [tex](x^a)^b= x^{ab}[tex] so that [tex](x^{p+1})^2(x^{p-1})^2= (x^{2(p+1)})(x^{2(p-1)})[tex].

Do not know that ? . - Nov 23rd 2013, 01:27 PMthatsmessedupRe: Please help me understand this problem
^^thanks! This make sense now.