Prove that the difference between the squares of two consecutive odd numbers is a multiple of 8.

(2n+3)2-(2n+1)2=(4n2+12n+9)-(4n2+4n+1)=8n+8= 8(n+1)Hence a multiple of 8

DB
Answered by Daniel B. Maths tutor

31590 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Solve x^2+10x-3=0 by completing the square, simplify your answer.


Bhavin, Max and Imran share 6000 rupees in the ratios 2 : 3 : 7. Imran then gives 3/5 of his share of the money to Bhavin. What percentage of the 6000 rupees does Bhavin now have? Give your answer correct to the nearest whole number.


Using Pythagoras theorem to find side lengths of a triangle


How do I know wether to use the sine or cosine rule?


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning