Confusion

For discussing Olympiad Level Algebra (and Inequality) problems
maishaywca
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Confusion

Unread post by maishaywca » Thu Oct 02, 2014 2:51 pm

Can anyone give me the solution of 2ab. I am really confused about that. If any of u knows the solution please reply me.

Thank you.

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*Mahi*
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Re: Confusion

Unread post by *Mahi* » Fri Oct 03, 2014 11:17 am

Can you clarify what you're asking about a little more?
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maishaywca
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Re: Confusion

Unread post by maishaywca » Fri Oct 03, 2014 1:48 pm

Yeah. I am asking that if there is a solution of 2ab. Like we know (a+b) square=(a)square+2ab+(b) square. If you understood please let me know.

Thank you.

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Re: Confusion

Unread post by *Mahi* » Fri Oct 03, 2014 2:05 pm

Well, you can express that as $2ab = \dfrac{(a+b)^2-(a-b)^2}2$.
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maishaywca
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Re: Confusion

Unread post by maishaywca » Fri Oct 03, 2014 4:58 pm

Thank you very much. I really need that.

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