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## evergirl 2 years ago A fraction has a denominator of 3 + 4i. What is multiplied with the fraction to rationalize the fraction?

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1. srossd

To get a real number out of an imaginary number, you multiply by its conjugate. The conjugate of a+bi is a-bi, so the conjugate of 3+4i is 3-4i. So, you multiply by $\frac{3-4i}{3-4i}$ to rationalize it.

2. WhyAmIAlive-Drake

good job

3. evergirl

Thanks!

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