K8aPrincessica K8aPrincessica

21-11-2016
Mathematics

contestada

Find x and y. Remember that a + bi = c + di exactly when a = c and b = d. 8 = (4+8i)(x+yi)

Respuesta :

johnkellock johnkellock

23-11-2016

x+yi = 8/(4+8i)x+yi = 2/(1+2i)x+yi = 2/(1+2i) × (1−2i)/(1−2i)x+yi = (2−4i) /5x+yi = 2/5−4/5i

x= 2/5
y= -4/5i

Answer Link

Otras preguntas

A twelve inch candle and an 18 inch candle are lit at 6pm. The 12-in. candle burns 1.5 inches every hour.The 18 inch candle burns three inches every hour. At wh

Electricity generators work by?

Which nonverbal technique is best used to emphasize a point

which one of the following statements is more likely to motivate other children to meet the expectation

I NEED HELP ASAP Which statement about eleanor of aquitaine is true ?A. she was the leader of an important religious order in France that translated the Latin b

Estimate how many 12 inch rulers will be the sane leght as bike

What does Kepler's first law of planetary motion imply? A. A planet moves at a constant speed at all points in its orbit. B. The distance that a planet is fr

Which of these is a similarity between the term of office for a U.S. Supreme Court Justice and a member of Congress? A) Neither have term limits. B) Both are n

which of the United States has the most important things

Which of the following questions about this piece of art is an example of a “beyond the text” question? a. What colors are used in this painting? c. What does