How many factors?

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Let x x be an even number. Suppose that the number 3 x + 1 3^{x} + 1 may be decomposed as follows:

3 x + 1 = 2 k × ε 3^{x} + 1 = 2^{k} \times \varepsilon

Where ε \varepsilon is an odd number. What is the value of k k ?


The answer is 1.

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1 solution

Porifera Ohm
Jan 12, 2015

X must be an even number so I try 3^2 + 1 = 10 2^1 × 5 = 10

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