每日一题

Mathematics>Standard Multiple Choice

Read the following SAT test question and then click on a button to select your answer.

3/i+2/i^2

Which of the following is equivalent to the complex number shown above?

Note: i=√(-1)

A.3i+2
B.3i-2
C.-3i+2
D.-3i-2

答案和解析

答案：D

解析：

Choice D is correct.