To solve for k in the given equation, we have the following options:
1. k = ±4√J
2. k = ±2J√J
3. k = ±2√J/J
4. k = ±4J
5. k = ±2√J
Let's go through each option:
1. k = ±4√J:
In this case, k can take on two values: positive 4√J and negative 4√J.
2. k = ±2J√J:
Similarly, k can have two values: positive 2J√J and negative 2J√J.
3. k = ±2√J/J:
Here, k can be positive 2√J/J or negative 2√J/J.
4. k = ±4J:
For this option, k can be positive 4J or negative 4J.
5. k = ±2√J:
Finally, k can be positive 2√J or negative 2√J.
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