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#1
Dec 17 2014 11:55pm
(2+a√3) / (-4-2a√3)

Im drawing a blank

This post was edited by Razta on Dec 18 2014 12:23am
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#2
Dec 18 2014 01:30am
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#3
Dec 18 2014 03:46am
so for some reason url is not detecting slashes...

just use http://www.wolframalpha.com/

This post was edited by Zoni on Dec 18 2014 03:49am
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#4
Dec 18 2014 09:20am
Rationalize the denominator by multiplying the numerator and denominator by the conjugate of the denominator.
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#5
Dec 18 2014 10:53am
-1
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#6
Dec 18 2014 04:38pm
Quote (druidking88 @ Dec 18 2014 09:20am)
Rationalize the denominator by multiplying the numerator and denominator by the conjugate of the denominator.


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#7
Dec 19 2014 10:55am
= (2+a√3) / (-4-2a√3)
= (2+a√3) / -2.(2 +a√3)
= -1/2

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#8
Dec 19 2014 12:44pm
Quote (AspenSniper @ Dec 18 2014 11:53am)
-1


Quote (betoggc @ Dec 19 2014 11:55am)
= (2+a√3) / (-4-2a√3)
= (2+a√3) / -2.(2 +a√3)
= -1/2


shit. it is -.5 not -1

sorry :( hope you didn't use my answer.
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