Thanks to Tanmay for the suggestion! And do check out Tanmay's channel Mr. Whiteboard for mathematics videos in Hindi: https://www.youtube.com/channel/UCNBjkDt8Xxn9I4Nb_Cn6ZoA
Thanks to Tony H. and Nestor for pointing out mistakes in an earlier version of this video!
This question is adapted from BYJU'S National Aptitude Test (BNAT).
0:00 Problem
0:51 Hint
3:19 Solution
References
Doubtnut
https://www.doubtnut.com/questions-answers/the-simplest-rationalising-factor-of-25-1-cube-root-of-25-1-2248825
AOPS sums and differences of powers
https://artofproblemsolving.com/wiki/index.php/Sum_and_difference_of_powers
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