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• Identical expressions

• Abs((- one + three ^n)/(- one + three ^(one + n)))
• Abs(( minus 1 plus 3 to the power of n) divide by ( minus 1 plus 3 to the power of (1 plus n)))
• Abs(( minus one plus three to the power of n) divide by ( minus one plus three to the power of (one plus n)))
• Abs((-1 + 3n)/(-1 + 3(1 + n)))
• Abs-1 + 3n/-1 + 31 + n
• Abs-1 + 3^n/-1 + 3^1 + n
• Abs((-1 + 3^n) divide by (-1 + 3^(1 + n)))

• Similar expressions

• Abs((-1 + 3^n)/(1 + 3^(1 + n)))
• Abs((1 + 3^n)/(-1 + 3^(1 + n)))
• Abs((-1 + 3^n)/(-1 + 3^(1 - n)))
• Abs((-1 - 3^n)/(-1 + 3^(1 + n)))
• Abs((-1 + 3^n)/(-1 - 3^(1 + n)))