SOLUTION: Please help me simplify: {{{sqrt(2-(4)/z^2+(2)/z^4)}}} Thank you.

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Question 210449This question is from textbook Intoductery Algebra
: Please help me simplify:

Thank you.
This question is from textbook Intoductery Algebra

Answer by tutor_paul(519)   (Show Source): You can put this solution on YOUR website!

Let's add together what is under the radical first. LCD=z^4.

Pull out the Z^4 term in denominator:

Factor out a 2:

Factor:

Pull out the z^2-1 term:

I think this is about as far as you can go.
================
Good Luck,
tutor_paul@yahoo.com

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