SOLUTION: How do I simplify radical expression assuming that all variable under radicals represent positive numbers?
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Question 139506: How do I simplify radical expression assuming that all variable under radicals represent positive numbers?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Use these rules:
, i.e.
If n is even, that is n modulo 2 is 0, then the radicand must be positive if you are restricted to the real numbers.
, but , so if then
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