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4 July, 17:35

Rationalize the denominator of square root of negative 9 over open parentheses 4 minus 7 i close parentheses minus open parentheses 6 minus 6 i close parentheses.

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  1. 4 July, 18:02
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    First we combine the parenthesis to get 9 / (-2-i) then we multiply both the numerator and the denomenator by the conjugate of - 2-i (whic is - 2+i) to get (-18+9i) / 5
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