HollynF305505 HollynF305505

25-10-2022
Mathematics

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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 9i27i class=

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HildaL304003 HildaL304003

25-10-2022

[tex]\begin{gathered} \frac{9i}{-2+7i} \\ \text{The denominator is -2+7i} \\ \text{The conjugate of -2+7i is -2-7i} \\ \end{gathered}[/tex]

The answer is D.

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