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�� . �� (185�188), �� , �, � � �� :185.�) ac^2+1>=4c�) a^3+b^3>=a^2 b+ab^2�) (a+b)^2>=4ab�) a+1/a=2 �)...

�� #2

�� . �� (185�188), �� , �, � � �� :185.�) ac^2+1>=4c�) a^3+b^3>=a^2 b+ab^2�) (a+b)^2>=4ab�) a+1/a=2 �)...

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��. �� (185�188), �� , �, � � �� :

185.

�) ac^2+1 > =4c

�) a^3+b^3 > =a^2 b+ab^2

�) (a+b)^2 > =4ab

�) a+1/a < =-2

�) a^2+1/a^2 > =2

�) 2a/(a^2+1) < =1

�) a/b+b/a > =2

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