Question: Solve the following systems by any method. (a) 2I1 - I2 + 3I3 + 4I4 = 9 I1 - 2I3 + 7I4 = 11 3I1

Solve the following systems by any method.
(a) 2I1 - I2 + 3I3 + 4I4 = 9
I1 - 2I3 + 7I4 = 11
3I1 - 3I2 + I3 + 5I4 = 8
2I1 + I2 + 4I3 + 4I4 = 10
(b) Z3 + Z4 + Z5 = 0
- Z1 - Z2 + 2Z3 - 3Z4 + Z5 = 0
Z1 + Z2 - 2Z3 - Z5 = 0
2Z1 + 2Z2 - Z3 + Z5 = 0

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