square root of negative 8 over 125 cube

square root of negative 9 over 125 cube
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1 Answer

sqrt(-8) / cubert(125)
= sqrt(-2)sqrt(4) / 5
= 2sqrt(-2) / 5
 

sqrt(-9) / cubert(125)
= sqrt(9)sqrt(-1) / 5
= 3i / 5
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