The functions q and r are defined as follows.
1 answer:
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Sometimes
1. The radical expression![\sqrt[n]{}](https://tex.z-dn.net/?f=%20%5Csqrt%5Bn%5D%7B%7D%20)
with even n requires <span>a variable with positive quantity. For example, if you have ![\sqrt[4]{x^3}](https://tex.z-dn.net/?f=%20%5Csqrt%5B4%5D%7Bx%5E3%7D%20)
, then always 
.
</span>
2. If you have radical expression with odd n, ia variable may be arbitrary. For example, for ![\sqrt[7]{x}](https://tex.z-dn.net/?f=%20%5Csqrt%5B7%5D%7Bx%7D%20)
you can consider all real x.
1. The radical expression
</span>
2. If you have radical expression