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#1 2014-01-26 10:14:55

bronxsystem
Member
Registered: 2013-06-22
Posts: 63

basic equation help super easy

hey all i dont know what im missing here ):

i thought we first square everything

then subtract 2

then divide by 4

but i get wrong answer. what did i do wrong ><

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#2 2014-01-26 10:31:50

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 84,730

Re: basic equation help super easy

Hi;

The mistake is in your second step

It should be


In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

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#3 2014-01-26 10:38:43

bronxsystem
Member
Registered: 2013-06-22
Posts: 63

Re: basic equation help super easy

thank you makes sense i was completely stuck

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#4 2014-01-26 10:46:43

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 84,730

Re: basic equation help super easy

Hi;

Okay, if you need help post back.


In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

Offline

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