Fibonaaci method issue

please also provide in detail analysis and code for matrix exponentiation method for fibonaci number

@Rj.25
hello reechika,
pls check this
https://www.geeksforgeeks.org/matrix-exponentiation/

@Rj.25
check this blog as well -> http://zobayer.blogspot.com/2010/11/matrix-exponentiation.html

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