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evergirl
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A fraction has a denominator of 3 + 4i. What is multiplied with the fraction to rationalize the fraction?
 one year ago
 one year ago
evergirl Group Title
A fraction has a denominator of 3 + 4i. What is multiplied with the fraction to rationalize the fraction?
 one year ago
 one year ago

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srossd Group TitleBest ResponseYou've already chosen the best response.2
To get a real number out of an imaginary number, you multiply by its conjugate. The conjugate of a+bi is abi, so the conjugate of 3+4i is 34i. So, you multiply by \[\frac{34i}{34i}\] to rationalize it.
 one year ago

WhyAmIAliveDrake Group TitleBest ResponseYou've already chosen the best response.1
good job
 one year ago
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