1.

Assertion (A): Operator has a value 1 ∠ - 90° or 1 ∠ 90°.Reason (R): Operator 'a' has a value 1 ∠ 120°.

A. Both A and R are true and R is correct explanation of A
B. Both A and R are true and R is not the correct explanation of A
C. A is true but R is false
D. A is false but R is true
Answer» E.


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