1. 2. |? which one is valid? 3. ?
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How do you use absolute value for radicals?
Hi, are you working in ? If so, because the domain of is
Originally Posted by theloser [snip] 2. |? which one is valid? [snip] Both. But obviously the first is simpler. And you should note that: 1. the domain of is if n is odd (why?) and so |x | = x under such circumstances. 2. the domain of is if n is even (why?).
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