sirmansdecembe
sirmansdecembe
21-01-2015
Mathematics
contestada
Divide the following complex numbers
Respuesta :
naǫ
naǫ
21-01-2015
[tex]\frac{(3+i)}{(2-3i)}=\frac{(3+i)(2+3i)}{(2-3i)(2+3i)}=\frac{6+9i+2i+3i^2}{2^2-(3i)^2}=\frac{6+11i-3}{4-9i^2}=\frac{3+11i}{4+9}=\frac{3+11i}{13}=\\ =\boxed{\frac{3}{13}+ \frac{11}{13}i} \Rightarrow \hbox{the answer is D}[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 27+ )
Otras preguntas
A pleasant term substituted for a more direct but potentially less pleasant one is referred to as _________________. A. a euphemism B. emotive language C. an in
Use the elimination method to slice the system of equations Choose the correct ordered pair 6x+2y=8 12x+y=22
Because drawings can let artists spontaneously put down on paper what is in their minds, it makes it possible for us to:_______
The term _____ was coined in 1973 by biologist michael ghiselin (1973) and later popularized by anthropologist john tooby and psychologist leda cosmides in the
How many terms are in the sequence shown? 38, 36, 34, ..., -20
What is the length of S?
Use the Ideal Gal Law to calculate the following problem. How many moles of gas are contained in a 4.2 L container at 2.7 atm and 305 K?
Question Content Area One potential advantage of a corporation issuing bonds rather than additional common stock is a.the interest expense reduces taxable incom
Application I 3. Ray has a stride of about 1.4 m. He runs 9 km daily to train for a marathon. Approximately how many strides does he need to run 9 km?
Dividing the pre-season into three, 4-week blocks of time is referred to as "periodization." each 4-week block should begin with:_____.
ACCESS MORE
EDU ACCESS