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PiyushGoel work on Pascal Triangle. Copyrighted
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Why would a poll tell you anything? As for using Pascal's triangle to find $\displaystyle 11^5= (10+ 1)^5= 10^5+ 5(10^4)+ 10(10^3)+ 10(10^2)+ 5(10)+ 1$, that is pretty much an 8th to 10th grade exercise.
the equation you wrote we all know. Just showing all how this happened ...............we all know the value of sin60 but how it was obtained.....
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