Finding Converse and Contrapositive

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Homework Statement


Find the converse and contrapositive of the statement:

If n2 is even, then n is even.

Homework Equations

The Attempt at a Solution


Converse: If n is even, then n2 is even.

Contrapositive: If n is not even, then n2 is not even.

Can someone check these over for me to make sure I am doing them correctly?

Thank you.
 
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fresh_42 said:
This is correct. Here's a list of them:
https://en.wikipedia.org/wiki/Contraposition
which I had to use, since I am regularly confused if I have to match the words and their meaning.
Thank you for the list. I just wanted to make sure I am on the right track when it comes to converse and contrapositive.
 
ver_mathstats said:
Contrapositive: If n is not even, then n2 is not even.
You could also say "odd" in both places rather than "not even."
 
Mark44 said:
You could also say "odd" in both places rather than "not even."
Oh yes, that is very true.
 
There are two things I don't understand about this problem. First, when finding the nth root of a number, there should in theory be n solutions. However, the formula produces n+1 roots. Here is how. The first root is simply ##\left(r\right)^{\left(\frac{1}{n}\right)}##. Then you multiply this first root by n additional expressions given by the formula, as you go through k=0,1,...n-1. So you end up with n+1 roots, which cannot be correct. Let me illustrate what I mean. For this...

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