Prove algebraically that the difference between the squares of any two consecutive odd numbers is always a multiple of 8

(2n+3)^2-(2n+1)^2 4n^2+12n+9-4n^2-4n-1 8n+8 8(n+1), which is a multiple of 8

JG

Related Maths GCSE answers

All answers ▸

A curve has equation y = 4x^2 + 5x + 3. A line has equation y = x + 2. What is the value of x?


Show that 3/8 divided by 7/12 = 9/14


How do you solve a simultaneous equation by 'substitution'?


What is the domain and what is the range