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Linear Systems
hard
0:00.0
The system
x
+
y
=
1
,
2
x
+
2
y
=
2
x+y=1, 2x+2y=2
x
+
y
=
1
,
2
x
+
2
y
=
2
has a 'nullity' of:
A
1
1
1
B
0
0
0
C
2
2
2
D
Infinite
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