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sweet-ann [11.9K]
3 years ago
9

Simplify the expression fraction with numerator of the square root of negative four and denominator of the quantity three plus i

minus the quantity two plus three times i. quantity eight plus two times i divided by seventeen quantity negative four plus two times i divided by five quantity four plus ten times I divided by twenty nine quantity eight plus ten times I divided by forty one
Mathematics
2 answers:
Kipish [7]3 years ago
3 0
Does it look like this: \frac{ \sqrt{-4} }{(3+i)-(2+3i)} =  \frac{-2i}{1-2i} or \frac{2i}{2i-1}

Do you need the others?
\frac{-4+2i}{-5} =  \frac{4-2i}{5}
Gre4nikov [31]3 years ago
3 0

Answer:

\frac{-4+2i}{5}  

Step-by-step explanation:

\frac{\sqrt{-4}}{(3+i)-(2+3i)}

simplify the denominator

\frac{\sqrt{-4}}{1-2i}

square root (-4) is +2i , because the value of square root (-1) is 'i'

\frac{+2i}{1-2i}                    

multiply top and bottom by its conjugate 1+2i

\frac{2i(1+2i)}{(1-2i)(1+2i)}  

\frac{2i+4i^2}{1+2i-2i-4i^2}  

The value of i^2 =-1

\frac{2i+4(-1)}{1+2i-2i-4(-1)}  

\frac{2i-4}{5}  

\frac{-4+2i}{5}  




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