I'd appreciate any help that I get in solving these problems.
I'll upload an image because it'll be easier for you all to read the problems.
http://img102.imageshack.us/img102/5...lifyingzo8.png
I'd appreciate any help that I get in solving these problems.
I'll upload an image because it'll be easier for you all to read the problems.
http://img102.imageshack.us/img102/5...lifyingzo8.png
Rules you need to know:
to learn how to convert roots to powers so you can apply the rules above, see here
so, that should take care of question 3, try it
for question 4:
(a)
notice that ......this is a quadratic
(b)
notice that .........factor out the common term
(c) try a similar maneuver as in (a)
(d)
factor out the lowest power of , that is,
I did make a mistake. I'll change my previous post in a moment. But there is a problem with how you are looking at all this (I think.)
Try looking at it this way. I'm going to change the variable momentarily to .
Thus
As it happens, this last factor factors again:
So we have
which is what I should have posted before.
-Dan
Edit: I did the job here better anyway. I'll just leave this one as my answer to your question.