Math Problem Statement
(-6-i)(3-2i)
Solution
To solve , we will use the distributive property (also known as FOIL for binomials), multiplying each term in the first complex number by each term in the second complex number.
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First, multiply the real parts:
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Then, multiply the real part of the first number by the imaginary part of the second number:
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Next, multiply the imaginary part of the first number by the real part of the second number:
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Finally, multiply the imaginary parts: Since , this becomes:
Now, combine all the results:
So, .
Would you like more details or further clarification?
Here are five related questions for you:
- How do you multiply complex numbers in general?
- What happens when you multiply two purely imaginary numbers?
- How do you convert a complex number from rectangular to polar form?
- What is the significance of the imaginary unit in mathematics?
- How do you find the conjugate of a complex number?
Tip: When multiplying complex numbers, always remember to simplify to handle the imaginary components correctly.
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Math Problem Analysis
Mathematical Concepts
Algebra
Complex Numbers
Distributive Property
Imaginary Numbers
Formulas
Distributive property: (a + bi)(c + di) = (ac - bd) + (ad + bc)i
i^2 = -1
Theorems
Properties of Complex Numbers
Suitable Grade Level
Grades 10-12