A positive integer is called "square-Free" if it has no factor that is the square of an integer greater than 1. If n is an even square-free integer, which of the following must also be square free?
A. \frac{n}{2}
B. 2n
C. n + 2
D. n^2
E. none of the above
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A. \frac{n}{2}
B. 2n
C. n + 2
D. n^2
E. none of the above
[Reveal] Spoiler:
What are examples of square-free numbers?