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electronics and communication engineering networks analysis and synthesis
1. If operator 'a' = 1 ∠120° then (1 + a2) =
(A): 3
(B): 3 ∠ - 30°
(C): 3 ∠30°
(D): 3 ∠60°
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By: guest on 02 Jun 2017 01.08 am
1 - a2 = 1 + 0.5 + j 0.866 = 3 ∠30°.
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