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Number System Video Lecture by Takshzila shikshak

by YouTube|Takshzila Shikshak on 18th Aug 2017 • 5 Views

In this video we discuss the concept of cyclicity to identify the unit digit of any power ,say a^b. Observing the unit digit of successive powers of a ,we realize that the unit digit repeat themselves in a cycle. Once we know the cycle ,any term in the cycle can be found out.

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