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Prove that
By alpha
Created 05/27/2009 - 15:29

If a,b, c are in A.P
Then prove that $ a^3+4b^3+c^3 $=$ 3b(a^2+c^2) $

‹ A.P [1] A.P › [2]

Source URL: http://www.9math.com/forum/prove-14

Links:
[1] http://www.9math.com/forum/.p-3
[2] http://www.9math.com/forum/.p-2