Ask Singapore Homework?

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


secondary 4 | A Maths
One Answer Below

Anyone can contribute an answer, even non-tutors.

Answer This Question

secondary 4 chevron_right A Maths

Topic: polynomials/ binomial expansion

Help needed for these questions.. Especially (b) as I'm unsure of how to expand with negative powers..Thanks in advance!!

Date Posted: 2 years ago
Views: 169

See 1 Answer

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Yeo Wei Hong
Yeo Wei Hong's answer
68 answers (A Helpful Person)
follow the general expansion as detailed above, then apply accordingly, replacing x when necessary. convergence is also replaced accordingly then solved for |x|< a where a is some number