7 . |
Consider the following system of equations where a , b� |
. |
|
x
�
2y
� z
�1
2x � y
� az
�
0 x �
3y
�
2z
� b
|
|
( a ) Find the conditions of a and b for which
( i ) the system has no solutions ;
( ii ) the system has a unique solution .
( b ) Find the solution of the system of equations when a�b� 3.
[ 4 ]
[ 2 ]
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