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

Answered by Daniel B. Maths tutor

24651 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Using the quadratic formula factorise 2x^2 + 7x + 11 =0


What are the possible ways to find the roots from a quadratic equation?


Q) The equation of a curve is y=(x+4)^2+7. Find the co-ordinates of the turning point


Solve the simultaneous equations to find x and y: 2x - 2y = 20, x + 4y = 5


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2024

Terms & Conditions|Privacy Policy