If X= 4^n -3n-1:n belong N and Y= 9(n-1) : belong N Prove that X subset Y.

Answers (1)

Solution:    Putting  n=1,2,3,.......

                   X=�,9,54,243,........  , Y=�,9,18,27,..........

                  Clearly        Xsubset Y.

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