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12 power 12 minus 12 power 11

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by Rahul@gurome » Wed Oct 20, 2010 6:42 am
abhi.genx7 wrote:Tell me an easy way to solve this ..

12 to the power 12 minus 12 to the power 11 .
Is there an easy way to get past such problems ?
(12^12 - 12^11)
= 12^11(12 - 1) ... Take 12^11 outside as it is a common factor.
= 11*12^11

Are you asking anything more easy?
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by frank1 » Wed Oct 20, 2010 8:14 pm
abhi.genx7 wrote:Tell me an easy way to solve this ..

12 to the power 12 minus 12 to the power 11 .
Is there an easy way to get past such problems ?
I think motive of such calcuation is always make sure that you can identify common element between them or not
or eg

2^10-2^9
2^9X(2-1)(much easier)

i agree with 2 it seems easy but i think same principles applies of must of them.
Just a note.

thanks
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by abhi.genx7 » Thu Oct 21, 2010 3:18 am
Oh that was kool, i was think that taking the 2nd thing common would make the 2nd expression zero but where it is 1.
I was in another world i guess :)
Thanks for the explanation :) :)
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