Fast Multiplication Trick for Large Numbers: Multiply by 99,999,9999... Effortlessly!

Hello everyone, in this video you will learn how to Multiply any number in 99,999,9999... in minimum possible time by this trick you can save your precious time in your any exam.USP of my this video is that the trick which I teach you ,explain at end of this video that how this trick is made ,by this way you come very close to trick that how it is made then you will never forget .however if you forget trick you can easily recall if you know the basic.<br /><br />Thanks<br />Smart Learning Planet