simplifying (16^{3/4}+9^{-1/2}) / (16^{3/4}-9^{-1/2})

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EdSewersPark
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simplifying (16^{3/4}+9^{-1/2}) / (16^{3/4}-9^{-1/2})

Postby EdSewersPark » Mon May 23, 2011 8:57 pm



I think is 8 and is 1/3, so I am getting as my answer.

The answer is so apparently I am an idiot.

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stapel_eliz
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Postby stapel_eliz » Mon May 23, 2011 10:45 pm

EdSewersPark wrote:...I am getting as my answer.

The answer is ....

What are you getting when you convert the "mixed number" form to improper fractions, and do the division (that is, flip and multiply)? :wink:

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Re: simplifying (16^{3/4}+9^{-1/2}) / (16^{3/4}-9^{-1/2})

Postby EdSewersPark » Tue May 24, 2011 12:21 am

So if I take and convert it to: and multiply by My answer will be: and that was the correct way to get there?

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Postby stapel_eliz » Tue May 24, 2011 10:45 am

EdSewersPark wrote:...convert it to: and multiply by ...

Or just flip-n-multiply, as usual when dividing by a fraction:

. . . . .

:wink:

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Re: simplifying (16^{3/4}+9^{-1/2}) / (16^{3/4}-9^{-1/2})

Postby EdSewersPark » Tue May 24, 2011 12:15 pm

Aha. Thank you.


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