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Solution
Evaluate determinant-
a)
b)
c)
d)
4.
a)
b)

10.
2I1 – 6I2+10I3 = 9
3I1 +7I2 -8I3 = 3
10I1 + 5I2-12I3 = 0
SOLVING USING CALCULATOR-
I1=1.2353
I2 =2.05
I3 =1.8850
11.
Krichoff current equation –
-I1 + I2 + I2 =0 (i)
We assumed v1 at node A
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