Ask Singapore Homework?
Upload a photo of a Singapore homework and someone will email you the solution for free.
Question
junior college 1 | H2 Maths
One Answer Below
Anyone can contribute an answer, even non-tutors.
How can it be shown?
Date Posted: 4 years ago
Views: 641
See 1 Answer
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
a quick way to show this result is to use Modular Arithmetic
since this is posted as a H2 Maths question, then a slightly longer way, involving concepts taught in H2 Maths, is to use binomial expansion.
note that any number that is divisible by 9, is automatically divisible to 3.
since this is posted as a H2 Maths question, then a slightly longer way, involving concepts taught in H2 Maths, is to use binomial expansion.
note that any number that is divisible by 9, is automatically divisible to 3.
Date Posted:
4 years ago
Thank you very much
360 Tutoring Program