��.44.29 �� 7 �� (��)

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�� ) � = �2 � � = 2�; �) � = -�2 � � = -3�; �) � = �2 � � = -�;�) � = -�2 � � =...

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�� , �� 7 ��, ��:

�) � = �2 � � = 2�;

�) � = -�2 � � = -3�;

�) � = �2 � � = -�;

�) � = -�2 � � = �.

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