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Electronics and Communication Engineering - Networks Analysis and Synthesis - Discussion

Discussion Forum : Networks Analysis and Synthesis - Section 11 (Q.No. 45)
Networks Analysis and Synthesis
45.
If operator 'a' = 1 ∠120° then (1 - a2) =
1 ∠ - 30°
1 ∠ 30°
1 ∠ - 60°
1 ∠60°
Answer: Option
Explanation:

1 + a2 = - a = 1∠-60°.

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