1.

-n/227n/ 223. If(3" x2)3729then, prove that m-2

Answer»

9^(n+1)*(3^-n/2)^-2 - 27^n/(3^m * 2)^3 = 1/729

27^n(9 - 1)/27^m*8 = 1/729

27^n*8/27^m*8 = 1/27^2

1/27^[m - n] = 1/27^2

Since base is same then powers are equal

Therefore,m - n = 2



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