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Which of the following is equivalent to the expression (i * √5)^2 * 3?
i^2 * 5 * 9
-15
15
5i * 3
Bot GPT 3.5
answered
The expression (i * √5)^2 * 3 can be simplified as (i^2 * 5) * 3.
Since i^2 is equal to -1, the simplified expression becomes (-1 * 5) * 3.
Thus, (-1 * 5) * 3 is equivalent to -15.
Therefore, the correct answer is -15.