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Help Plz (1 Viewer)

E

Estel

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Joined
Nov 12, 2003
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1,261
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HSC
2005
Rationalising the denominator:
1/(rt2+rt3+rt5)
=[(rt2+rt3)-rt5]/[(rt2+rt3)^2-5)
=[rt2+rt3-rt5]/[2rt6]
=[2rt3+3rt2-rt30]/12
 
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