Anyone have any idea about how to approach this problem?(newbie here)
Difference between en1 and en2, changed 13 character(s)
https://brainly.in/question/33854691#:~:text=Explanation%3A,maximum%20possible%20energy%20is%209.

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  Rev. Lang. By When Δ Comment
en2 English akshayar_01 2021-05-04 16:20:52 13
en1 English akshayar_01 2021-05-04 16:20:17 153 Initial revision (published)