Primary Geo
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Consider, $O$ is a point inside $\triangle ABC$.Prove that, $AB+AC>BO+CO$ .
An amount of certain opposition is a great help to a man.Kites rise against,not with,the wind.
- nafistiham
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Re: Primary Geo
let us draw the ext. of $CO$, which intersects $AB$ at $D$
\[\sum_{k=0}^{n-1}e^{\frac{2 \pi i k}{n}}=0\]
Using $L^AT_EX$ and following the rules of the forum are very easy but really important, too.Please co-operate.
Using $L^AT_EX$ and following the rules of the forum are very easy but really important, too.Please co-operate.