leyenphuongehe leyenphuongehe
  • 22-06-2021
  • Mathematics
contestada

cho số phức z thỏa mãn 2iz-5+i=i-(z-2i) tính modun của số phức w=z-1+i

Respuesta :

LammettHash
LammettHash LammettHash
  • 22-06-2021

Solve the given equation for z :

2iz - 5 + i = i - (z - 2i )

2iz - 5 = 2i - z

(2i + 1) z = 2i + 5

z = (2i + 5)/(2i + 1)

z = (2i + 5)/(2i + 1) × (2i - 1)/(2i - 1)

z = (4i ² + 10i - 2i - 5) / (4i ² - 1)

z = (8i - 9)/(-5)

z = 9/5 - 8/5 i

Then

w = z - 1 + i = 4/5 - 3/5 i

Answer Link

Otras preguntas

the bankers bank of the united states is the ombcboirsfedthe united states largents entitlement program is the dicount tax rate social securety tax credit progr
a cylinder with base are 169π ft^2 and a height twice the radius. what is the lateral area and surface area of the cylinder
please help me i dont get it
particles of minerals and other rocks that make up a rock are called______
how do you do substitution
When a bicycle rider puts on the brakes of a bicycle, friction cause some of the mechanical energy to change into what type of energy?
what is 15% of $5.80
in natural selection, what must be true of traits that are passed down through generation?
WHAT IS THE IMPORTANCE OF THE TROPIC OF CANCER AND TROPIC OF CAPRICORN
one car travels east for 360 m over a period of 15 seconds. a second car travels west for 120 m over a period of 5 seconds. what is true about their speeds? the