Soundlessecho Soundlessecho

22-01-2018
Mathematics

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

I cant figure out how to do this question simplify the imaginary number in the picture above please class=

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sqdancefan sqdancefan

18-03-2019

Answer:

-i(6/7)√2

Step-by-step explanation:

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

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