If n is a positive integer, then


If $\mathrm{n}$ is a positive integer, then $(\sqrt{3}+1)^{2 \mathrm{n}}-(\sqrt{3}-1)^{2 \mathrm{n}}$ is :

  1.  a rational number other than positive integers

  2. an irrational number

  3. an odd positive integer

  4. an even positive integer

Correct Option: , 2


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