Pre-Calculus-How to divide complex numbers by multiply by the conjugate of denominator, (3-i)/(2+i)

Pre-Calculus-How to divide complex numbers by multiply by the conjugate of denominator, (3-i)/(2+i)

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial explains how to divide complex numbers by using the conjugate to eliminate the imaginary part from the denominator. It demonstrates the process through the FOIL method, leading to the simplification of the expression. The tutorial concludes with dividing the simplified expression by a common factor.

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2 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the result of the multiplication of the complex numbers in the example?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

How do you simplify the final result of the division of complex numbers?

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