Tutorial - How do we multiply complex numbers ex 14, (9 + 5i)^2

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Mathematics
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11th Grade - University
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Hard
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2 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
How can you express (9 + 4i)² using the formula for a binomial squared?
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the final result of simplifying the expression (9 + 4i)²?
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