If operator 'a' = 1 ∠120° then (1 + a2) = – McqOptions

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1.	If operator 'a' = 1 ∠120° then (1 + a2) =
A.	3
B.	3 ∠30°
C.	3 ∠ - 30°
D.	3 ∠60°
Answer» B. 3 ∠30°

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