Ask Singapore Homework?

Upload a photo of a Singapore homework and someone will email you the solution for free.



Question

|
One Answer Below

Anyone can contribute an answer, even non-tutors.

Answer This Question
waiman
Waiman

Hong Kong

Can you show me steps and answer?

Date Posted: 5 years ago
Views: 395

See 1 Answer

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Jefri ST
Jefri St's answer
39 answers (Tutor Details)
1st
Sorry if there is careless mistake since the working is very long. Anyway, i hope it helps. So the key steps are : express it in fraction, complete the square then use arctan integral.