International Brotherhood of Electrical Workers Exam IBEW Quiz
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ALGEBRA & FUNCTIONS
Question 1
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In analyzing a circuit, an expression
(
I
+
3
)
(
2
I
−
1
)
(I + 3)(2I - 1)
(
I
+
3
)
(
2
I
−
1
)
arises. What is this expression when expanded?
A
3
I
+
2
3I + 2
3
I
+
2
B
2
I
2
−
5
I
−
3
2I^2 - 5I - 3
2
I
2
−
5
I
−
3
C
2
I
2
+
7
I
−
3
2I^2 + 7I - 3
2
I
2
+
7
I
−
3
D
2
I
2
+
5
I
−
3
2I^2 + 5I - 3
2
I
2
+
5
I
−
3
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