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Choose the correct alternative in each of the following : Square of `((-2)/3)i s` (a)`2/3` (b) `2/3` (c) `-4/9` (d) `4/9`

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Verified by Experts

The square of `((-2)/3)` is `((-2)/3)^2=4/9`.
Hence, option (d) is the correct answer.
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