5under root 8.5 (i am looking for ans without solving in calculator)
![\sqrt[5]{8.5}](https://tex.z-dn.net/?f=%5Csqrt%5B5%5D%7B8.5%7D+ "\sqrt[5]{8.5}")
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Answer:
actually you can solve this question by the method called "approximation" which is based on the concept of application of derivatives
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