Find three arithmetic means between 6 and - 6.

Question

Philoid · Accepted Answer

let the three AM be x₁,x₂,x₃.

So new AP will be

6,x₁,x₂,x_3, - 6

Also - 6 = 6 + 4d

d = - 3

x₁ = 3

x₂ = 0

x₃ = - 3