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PS: equal

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VP
Joined: 18 May 2008
Posts: 1176

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19 Nov 2008, 03:03
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Which of the following is equal to (2^12-2^6)/(2^6-2^3)
2^6+2^3
2^6-2^3
2^9
2^3
2

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VP
Joined: 17 Jun 2008
Posts: 1474

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19 Nov 2008, 03:26
2^12 - 2^6 = (2^6 - 2^3)(2^6 + 2^3).
VP
Joined: 18 May 2008
Posts: 1176

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19 Nov 2008, 04:13
Oh my god! so silly of me 2 miss this simple formula and i was all the way trying taking terms out and then approximating
scthakur wrote:
2^12 - 2^6 = (2^6 - 2^3)(2^6 + 2^3).

--== Message from GMAT Club Team ==--

This is not a quality discussion. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.
Re: PS: equal &nbs [#permalink] 19 Nov 2008, 04:13
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