Examlex
Write the expression as a complex number in the form a + bi.
-4i
Acoustic
Relating to sound or the science of sound, especially as it is transmitted in air.
Social Media
Digital platforms that allow users to create, share, or exchange information, ideas, and content in virtual communities and networks.
Feedback Process
A method in which information about the output of a system is returned to adjust or improve the system's performance or behavior.
Popular Topics
Subjects or issues that attract significant attention and interest from the general public at any given time.
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