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

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

I can't figure out how to do this question. simplify the imaginary number in the picture-example-1
User Daerik
by
8.3k points

1 Answer

1 vote

Answer:

-i(6/7)√2

Explanation:


\displaystyle -\sqrt{-(72)/(49)}=-√(-1)\sqrt{(36)/(49)}√(2)\\\\=-i(6)/(7)√(2)

User JMichaelTX
by
7.2k points
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