�PNG


IHDR`0��	pHYs��
�+baSE�H
��IDATx�훱K#A��+�F�B�FD�C��BD�.����q���@DD��ZD��B�D��l�BlD,D$�����=x���lfwG�%�a�y�_f���[c�1�	�y���0�j7��|�k�_h���T��u��>h)Z�x�۠��B�s�k�gC�d�i@����#�G��nD��В�7�!�-hA�
|
�͎����@��R���
U�=��M�Yĉ���{�r�Y�C{U���Cl@�<\��0`��%�h�ʾ-�-���3���q��s��@=��%6��b�b@:�b@�1m�������Mq�:��
h�]�r�E�,+����C�򏋺�/r��N6�:�c,A
��x}��CH;ml1�6yq��w!�xP��r�r�C�id��.Hs�qop�zde�j�@�K� �
��
j��H0 ����QDVq}'���"�
��3��T���ІL��񓖳ā6��l�l���I�Y��q�`�D�%!i9K���My*K���.�,iP0��R�,�$�-gqe�+�z[��<?I9�+���ILۢ�s����2���#�E�͘��,.lZ2.14q�����W9�X"���7H�^Q�‰İ�
(cY3-��FQEQEQEQ�W����t��(
6tEXtMathML<math xmlns="http://www.w3.org/1998/Math/MathML"><mi mathvariant="normal">f</mi><mo>"</mo><mo>=</mo><mi mathvariant="normal">f</mi><mfenced separators="|"><mfrac><mrow><mi mathvariant="normal">v</mi><mo>+</mo><mi mathvariant="normal">u</mi></mrow><mi mathvariant="normal">v</mi></mfrac></mfenced></math>(�J8IEND�B`�