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spin [16.1K]
3 years ago
9

I can't figure out how to do this question. simplify the imaginary number in the picture above please

Mathematics
1 answer:
Alona [7]3 years ago
3 0

Answer:

  -i(6/7)√2

Step-by-step explanation:

\displaystyle -\sqrt{-\frac{72}{49}}=-\sqrt{-1}\sqrt{\frac{36}{49}}\sqrt{2}\\\\=-i\frac{6}{7}\sqrt{2}

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