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I know this must be an easy question, but I can't seem to remember how to do it:
[tex]\sqrt{z^2+R^2 - 2zR} - \sqrt{z^2+R^2 + 2zR}[/tex]
Can someone go through step by step how to solve this? This isn't a homework question but I've been running into this problem more often in multiple courses.
So far, I've gotten down to something like this but I'm not sure if this is the right track. I replaced parts of the above equation to make it simpler but I STILL can't remember how to do it:
[tex]\sqrt{C^2 - x} - \sqrt{C^2 + x}[/tex]
Thanks
[tex]\sqrt{z^2+R^2 - 2zR} - \sqrt{z^2+R^2 + 2zR}[/tex]
Can someone go through step by step how to solve this? This isn't a homework question but I've been running into this problem more often in multiple courses.
So far, I've gotten down to something like this but I'm not sure if this is the right track. I replaced parts of the above equation to make it simpler but I STILL can't remember how to do it:
[tex]\sqrt{C^2 - x} - \sqrt{C^2 + x}[/tex]
Thanks