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�� (�) = �1(�) - �2(�), ��:�) �1(�) = 2�3 + 8� - 11; �2(�) = 3�3 - 6� + 3;�) p1(�) = 4�4 + 4�2 - 13; �2(�) = 4�4 - 4�2 + 13;�) �1(�) = �3 - � + 7; �2(�) =...

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�� (�) = �1(�) - �2(�), ��:

�) �1(�) = 2�3 + 8� - 11; �2(�) = 3�3 - 6� + 3;

�) p1(�) = 4�4 + 4�2 - 13; �2(�) = 4�4 - 4�2 + 13;

�) �1(�) = �3 - � + 7; �2(�) = �3 + by + 11;

�) p1(�) = 15 - 7�2; �2(�) = �3- �2 - 15.

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