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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