1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Bond [772]
3 years ago
11

Could someone check that I did this correctly? It's about complex numbers. Thank you!

Mathematics
1 answer:
Ivan3 years ago
3 0

Answer:

All your steps are correct.  Well done!

You might be interested in
What is the solution -1 -7 ?
Effectus [21]

Answer:

-8

Step-by-step explanation:

Add the two numbers but maintain the negative sign.

3 0
2 years ago
1. 5/6x-2=1/x+1
Pani-rosa [81]
1. 30x-2=1x+1
28x=2x
14=x
4 0
3 years ago
The general solution of 2 y ln(x)y' = (y^2 + 4)/x is
Sav [38]

Replace y' with \dfrac{\mathrm dy}{\mathrm dx} to see that this ODE is separable:

2y\ln x\dfrac{\mathrm dy}{\mathrm dx}=\dfrac{y^2+4}x\implies\dfrac{2y}{y^2+4}\,\mathrm dy=\dfrac{\mathrm dx}{x\ln x}

Integrate both sides; on the left, set u=y^2+4 so that \mathrm du=2y\,\mathrm dy; on the right, set v=\ln x so that \mathrm dv=\dfrac{\mathrm dx}x. Then

\displaystyle\int\frac{2y}{y^2+4}\,\mathrm dy=\int\dfrac{\mathrm dx}{x\ln x}\iff\int\frac{\mathrm du}u=\int\dfrac{\mathrm dv}v

\implies\ln|u|=\ln|v|+C

\implies\ln(y^2+4)=\ln|\ln x|+C

\implies y^2+4=e^{\ln|\ln x|+C}

\implies y^2=C|\ln x|-4

\implies y=\pm\sqrt{C|\ln x|-4}

4 0
2 years ago
The trail is a loop that is 3/4 of a mile long. On Monday, Selma land the loop in 1/6 of an hour. What is selmas unit rate in mi
Dafna11 [192]

Answer:

1/10

Step-by-step explanation:

3/4 add 1/6

4 0
2 years ago
Find the area of the shaded region. Round your answer to the nearest tenth.
Troyanec [42]

Area of the square = (9 m)^2 = 81 m^2

The four circular sectors combine to form a circle with diameter 9 m, hence radius 4.5 m.

Area of the circle = π (4.5 m)^2 = 20.25π m^2

Then the area of the shaded region is

81 m^2 - 20.25π m^2 ≈ 17.4 m^2

7 0
3 years ago
Other questions:
  • The line CD passes through point (0,2) and (4,6).which equation represents line CD?
    5·1 answer
  • Which is greater 11.4 or 11.40 or are they equal?
    13·2 answers
  • Help me pleaaaasssseeeee..........!!!!!!!!!!!
    6·1 answer
  • | What is the median(middle) of the following: 1, 2, 2, 5, 7, 9, 12, 13
    15·2 answers
  • Which function has an inverse that’s also a function?
    5·2 answers
  • 6. A cone is 10 inches tall and ha s a radius of 3 inches. What is the cone’s volume? A. 31.4 cubic inches B. 94.2 cubic inches
    12·1 answer
  • I’ll give brainliest
    13·2 answers
  • What is a 2 step equation that equals 6?
    15·1 answer
  • Hey guy can you please explain this to me ​
    15·2 answers
  • Who was Karl Pearson?
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!