Kahwai's answer to Maximus's Junior College 1 H2 Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Kahwai
Kahwai's answer
232 answers (A Helpful Person)
1st
Don’t waste time

It can only be solved by numerical method

-1
And even if you expand with Maclaurine it is still approximation