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9^3n - 3^n+1 /27^n-1 -81^n
=(9^3)^n - 3^n-1 / 27^n+1 - 81^n
=729^n - 3^n-1 / 27^n+1 - 81^n
Explaination:
Using , a^mn = (a^m)^n change the expression
Evaluate the power
=(9^3)^n - 3^n-1 / 27^n+1 - 81^n
=729^n - 3^n-1 / 27^n+1 - 81^n
Explaination:
Using , a^mn = (a^m)^n change the expression
Evaluate the power
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