What is the imaginary unit represented by?
Tutorial - What is an imaginary number
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Mathematics
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11th Grade - University
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Hard
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The video tutorial explains imaginary numbers, starting with the concept of the imaginary unit and its representation. It discusses complex numbers in the form of a + bi, where a and b are real numbers. An imaginary number is defined as a complex number where a equals zero. Examples such as 7i and -3i are provided to illustrate imaginary numbers.
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5 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
What form does a complex number take?
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
When is a complex number considered an imaginary number?
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
Can you give examples of imaginary numbers?
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the value of A in the form of a complex number for it to be imaginary?
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