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.

Answer This Question
Astrid
Astrid

junior college 1 chevron_right H2 Maths chevron_right Singapore

I have no idea how to approach this kind of polynomial problems

Date Posted: 1 year ago
Views: 541

See 1 Answer

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Boy Mow Chau
Boy Mow Chau's answer
316 answers (Tutor Details)
1st
normally for such questions, can just substitute the appropriate values into the polynomial function to form a system of linear equations, and solve using GC, to obtain the coefficients. however, the numbers here are beyond what the GC is able to crunch (2003^4 is 14 digits long!).

the problem can be solved through an understanding of the behavior of number sequences (refer to explanation below the solution).

this question is unlikely to be within H2 Maths syllabus, and also not in H2 Further Maths syllabus. can you please enlighten us what course/level this question is from?
Boy Mow Chau
Boy Mow Chau
1 year ago
by the way, recall remainder theorem from O level A Maths ....
when divided by (x-2003), f(x) has remainder 24 means f(2003) = 24, and so on.

the values 2003, 2004, etc, do not affect the value of the 4th difference. for polynomial of degree nth, the nth difference is constant and equals ...
n! x coef. of x^n term.