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Neporo4naja [7]
3 years ago
10

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

ses 6 minus 6 i close parentheses.
Mathematics
1 answer:
svetlana [45]3 years ago
3 0
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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