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December 2nd, 2008, 02:46 PM
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| |  Help with rationalizing expressions
I need help with a couple of rationalization questions. I am totally confused.
square root 5x minus 6 / squareroot 5x plus 3
(squareroot 2+y plus squareroot 2-y)/y |
December 2nd, 2008, 03:23 PM
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Quote:
Originally Posted by shiel8  I need help with a couple of rationalization questions. I am totally confused.
square root 5x minus 6 / squareroot 5x plus 3
(squareroot 2+y plus squareroot 2-y)/y | Is it
(1)  ?
or
(2) 
Also group what's under the radical in your second problem as well.
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December 2nd, 2008, 03:52 PM
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for the second questions it's 2+y under squareroot symbol minus 2-y under squareroot symbol all over y
how do you enter info in the format you're using? It'd be much easier to post if I knew how to do that. |
December 3rd, 2008, 01:16 AM
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Quote:
Originally Posted by shiel8
for the second questions it's 2+y under squareroot symbol minus 2-y under squareroot symbol all over y
how do you enter info in the format you're using? It'd be much easier to post if I knew how to do that. Have a look here: http://www.mathhelpforum.com/math-he...-tutorial.html | Use a factor such that you get a sum of squares in the denominator:  |
December 3rd, 2008, 12:21 PM
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Thanks Earboth.
Hopefully this works right. The other question I need help with is: 
Last edited by shiel8; December 3rd, 2008 at 12:36 PM.
Reason: fixing latex
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