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Manager
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|x| [#permalink] New post 05 Aug 2007, 19:54
Hi All

I need your help urgently. I am screwing up on a lot of |x| DS questions!! I get all sweaty whenever i see a || (mod Function) :shock:

Please let me know how to tackle such questions, what is the first thing that comes in your mind when you see a mod function....what is the approach you follow when tackling such questions....

TIA

FP
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 [#permalink] New post 05 Aug 2007, 22:12
I suggest u this : http://www.gmatclub.com/phpbb/viewtopic.php?t=39533 :)

Look at the last posts... I have added links to several quesions :)

Good Luck ! :)
Manager
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 [#permalink] New post 05 Aug 2007, 22:25
Fig wrote:
I suggest u this : http://www.gmatclub.com/phpbb/viewtopic.php?t=39533 :)

Look at the last posts... I have added links to several quesions :)

Good Luck ! :)


I am really losing memory.... :? ..Fig to the rescue....thanks buddy.

But in any case... can others also share their exp...the first thing in their mind when they see mod!!

FP
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 [#permalink] New post 06 Aug 2007, 00:04
Finding Perdition wrote:
Fig wrote:
I suggest u this : http://www.gmatclub.com/phpbb/viewtopic.php?t=39533 :)

Look at the last posts... I have added links to several quesions :)

Good Luck ! :)


I am really losing memory.... :? ..Fig to the rescue....thanks buddy.

But in any case... can others also share their exp...the first thing in their mind when they see mod!!

FP


The next time I see it, I'll remember you ;).
Just kidding.
Manager
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 [#permalink] New post 06 Aug 2007, 01:22
ioiio wrote:
Finding Perdition wrote:
Fig wrote:
I suggest u this : http://www.gmatclub.com/phpbb/viewtopic.php?t=39533 :)

Look at the last posts... I have added links to several quesions :)

Good Luck ! :)


I am really losing memory.... :? ..Fig to the rescue....thanks buddy.

But in any case... can others also share their exp...the first thing in their mind when they see mod!!

FP


The next time I see it, I'll remember you ;).
Just kidding.


Ioiio...right :shock: .... i am sure you will do that.. :-D ...

But seriously.... i need to allay this fear of mod...... please guyz...


FP
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 [#permalink] New post 06 Aug 2007, 03:55
Just see lxl as positive if x>0
and see lxl as negative if x< 0

e.g. lx-5l<3
thus x-5<3>0
or 5-x>3, if x-5<0

Check the book by mangmat on absolute values. I guess that will solve all your issues.

Hope this helps.
  [#permalink] 06 Aug 2007, 03:55
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