Ask Singapore Homework?

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



Question

junior college 2 | H2 Maths
3 Answers Below

Anyone can contribute an answer, even non-tutors.

Answer This Question
Alina
Alina

junior college 2 chevron_right H2 Maths chevron_right Singapore

Hi,
Can help to explain why the C(r) is 2(-1)^r + 1 +(r+1)?

Thanks in advance

Date Posted: 4 years ago
Views: 300

See 3 Answers

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
1st
Good evening Alina! Here are my workings for the partial fraction part.
Alina
Alina
4 years ago
Very excellent explanation given. Thank you very much.
done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
Here is part two and a bit of part three. Hang on while I write up the remaining of part three
done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
Good evening Alina! We look out for the general terms in the expansion which will follow some form of pattern. This part requires knowledge of some basic number patterns, including the “sign changer” (-1)^n.

Let me know if you need more explanation on this question.
Alina
Alina
4 years ago
Thank you Eric for your very clear explanation. Very very much appreciated. By the way, you have very nice handwriting.