11 . The vectors a and b are given as
�2� � �
a � 4 and �3� � �
��2� � �
b � 3 . � 5 � � �
( a ) Write down 3a�
2b .
( b ) Hence , find the component of 3a� 2b
[ 1 ]
( i ) parallel to a ;
( ii ) perpendicular to b . [ 6 ]
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