BdMO 2004 Secondary - 1

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nafistiham
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BdMO 2004 Secondary - 1

Unread post by nafistiham » Mon Jan 09, 2012 9:31 pm

Resolve into factors:
\[(a+b)^2(b+c)^2(c+a)^2+abc\left \{2(a+b)(b+c)(c+a)+abc\right \}\]
\[\sum_{k=0}^{n-1}e^{\frac{2 \pi i k}{n}}=0\]
Using $L^AT_EX$ and following the rules of the forum are very easy but really important, too.Please co-operate.
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*Mahi*
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Re: BdMO 2004 Secondary - 1

Unread post by *Mahi* » Mon Jan 09, 2012 10:31 pm

nafistiham wrote:Resolve into factors:
\[(a+b)^2(b+c)^2(c+a)^2+abc\left \{2(a+b)(b+c)(c+a)+abc\right \}\]
$(a+b)^2=a^2+2ab+b^2$
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Use $L^AT_EX$, It makes our work a lot easier!

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samiul_samin
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Re: BdMO 2004 Secondary - 1

Unread post by samiul_samin » Tue Feb 26, 2019 8:13 pm


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Safwan
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Re: BdMO 2004 Secondary - 1

Unread post by Safwan » Wed Feb 27, 2019 3:22 pm

$abc$ problem

samiul_samin
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Re: BdMO 2004 Secondary - 1

Unread post by samiul_samin » Wed Feb 27, 2019 3:28 pm

Safwan wrote:
Wed Feb 27, 2019 3:22 pm
$abc$ problem
Problem solving 101 type problem.

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Re: BdMO 2004 Secondary - 1

Unread post by Safwan » Wed Feb 27, 2019 3:44 pm

sorry I was just practicing my LATEX.

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Re: BdMO 2004 Secondary - 1

Unread post by Safwan » Wed Feb 27, 2019 3:46 pm

samiul_samin wrote:
Wed Feb 27, 2019 3:28 pm
Safwan wrote:
Wed Feb 27, 2019 3:22 pm
$abc$ problem
Problem solving 101 type problem.
I am starting to get it.{LATEX}HA HA HA

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