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Bobby M,
thanks for your help again this time! Dont know what I would do without you! I have it all written out now again (your explanation) and understand it perfectly. Are you any good on Stats? I am OK a while but might have a few questions in June. The soup and the wine was nice. But all gone by the end of the 80 mile cycle yesterday morning! I suppose one cant really share cyber soup! However! Thanks again!
Mickeen
Thanks a million for this. I have printed it off and will try to digest it over a bowl of soup and a glass of wine later tonight!
mickeen
(a) Express Sin2A + Sin2B as a product in Sine and Cosine.
(b) If A + B + C = 180 degrees,
show that Sin (A + B) = Sin C
(c) Hence show that Sin 2A + Sin 2B _ Sin 2C = 4CosACosBSinC.
Note: Cos(A + B) = - CosC
Can anyone plese help me on the last part of this question which has bothered me for some time now.
Nurshodiq, thanks for that
But how do we know that the
aritmetic mean ≥ geometric mean
or is there a proof of it?
Mickeen
Thanks very much for all of the above. Very good. Can someone give me a proof of the following inequality please?
x^4 + y^4 + z^4 + w^4 ≥ 4xyzw
Bobbym, thanks for that! I can understand it better now.
mickeen
Thanks for that but I dont really understand it. Can you five some explanation I can understand?
Can someone give me a proof of the following inequality
(p+q)(q+r)(r+p) ≥ 8pqr
mickeen
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