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What is the conjugate of the denominator of the expression 9i/-2+7i
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What is the conjugate of the denominator of the expression 9i/-2+7i

What is the conjugate of the denominator of the expression 9i/-2+7i-example-1
User Josh Farneman
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\begin{gathered} (9i)/(-2+7i) \\ \text{The denominator is -2+7i} \\ \text{The conjugate of -2+7i is -2-7i} \\ \end{gathered}

The answer is D.

User Alex Sarnowski
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