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

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

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