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November 08, 2025, 05:27:22 am
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Author Topic: RATIONAL EXPONENTS  (Read 569 times)  Share 

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mandy

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RATIONAL EXPONENTS
« on: September 25, 2009, 01:08:25 pm »
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Hi, how would I do the following :S
Thanks.

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Damo17

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Re: RATIONAL EXPONENTS
« Reply #1 on: September 25, 2009, 01:22:33 pm »
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1.


2.
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QuantumJG

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Re: RATIONAL EXPONENTS
« Reply #2 on: September 25, 2009, 01:25:44 pm »
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1) This simply becomes

 = ((sqrt(x - 1))(sqrt(x - 1)))/(sqrt(x - 1)) - x/(sqrt(x - 1))

= (x - 1)/(sqrt(x - 1)) - x/(sqrt(x - 1))

= -1/(sqrt(x - 1))

2) This is even easier:

= 3(sqrt(x - 1))/((sqrt(x - 1))^2)

= 3/(sqrt(x - 1))

 

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mandy

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Re: RATIONAL EXPONENTS
« Reply #3 on: September 25, 2009, 08:38:08 pm »
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thanks guys :)
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2009:
Biology [34]   Vietnamese [36]
2010:
English [48]   Chemistry [37]   Further [38]   Methods [39]   Specialist [29]
2010 ATAR: 97.20
2011: Bachelor of Biomedicine @ UniMelb
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