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 ▸Re-arrange [4x+ 9t + 8s= 3g] to make x the subject of the formula
Expand and simplify 2(a + 3) + 5(a – 1)
In the triangle XYZ XY = 5.6 cm YZ = 10.5 cm angle XYZ = 90 Work out the length of XZ
A flight travels at 750kmph for 7 hours and 18 minutes, work out the distance travelled? Then convert 750 km/h into metres per second.