Show that an implicit solution of
2x sin2(y) dx − (x2 + 18) cos(y) dy = 0
is given by
...
![subject](/tpl/images/cats/User.png)
Engineering, 07.09.2021 18:40 mackenziewright2002
Show that an implicit solution of
2x sin2(y) dx − (x2 + 18) cos(y) dy = 0
is given by
ln(x2 + 18) + csc(y) = C.
Differentiating
ln(x2 + 18) + csc(y) = C
we get
2x
x2 + 18
+
Incorrect: Your answer is incorrect.
dy
dx
= 0
or
2x sin2(y) dx +
Incorrect: Your answer is incorrect.
dy = 0.
Find the constant solutions, if any, that were lost in the solution of the differential equation. (Let k represent an arbitrary integer.)
y =
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Engineering
![question](/tpl/images/cats/User.png)
Engineering, 03.07.2019 15:10
Heat is added to a piston-cylinder device filled with 2 kg of air to raise its temperature 400 c from an initial temperature of t1 27 cand pressure of pi 1 mpa. the process is isobaric process. find a)-the final pressure p2 b)-the heat transfer to the air.
Answers: 1
![question](/tpl/images/cats/User.png)
Engineering, 04.07.2019 18:10
Consider a large isothermal enclosure that is maintained at a uniform temperature of 2000 k. calculate the emissive power of the radiation that emerges from a small aperture on the enclosure surface. what is the wavelength ? , below which 10% of the emission is concentrated? what is the wavelength ? 2 above which 10% of the emission is concentrated? determine the wavelength at which maximum spectral emissive power occurs. what is the irradiation incident on a small object placed inside the enclosure?
Answers: 2
![question](/tpl/images/cats/User.png)
Engineering, 04.07.2019 18:10
What are the two (02) benefits, which may result from a successful implementation of preventive maintenance (pm) program in an organization? (clo3)a)- lean manufacturing b)-overlapping responsibilities c)-the planner is not qualified d)-accurate contractor information e)-reduction in equipment redundancies f)-accurate stores information
Answers: 3
![question](/tpl/images/cats/User.png)
Engineering, 04.07.2019 18:20
Asolid cylinder is concentric with a straight pipe. the cylinder is 0.5 m long and has an outside diameter of 8 cm. the pipe has an inside diameter of 8.5 cm. the annulus between the cylinder ad the pipe contains stationary oil. the oil has a specific gravity of 0.92 and a kinematic viscosity of 5.57 x 10-4 m2/s. most nearly, what is the force needed to move the cylinder along the pipe at a constant velocity of 1 m/s?
Answers: 3
You know the right answer?
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 01.09.2019 13:30
![question](/tpl/images/cats/biologiya.png)
Biology, 01.09.2019 13:30
![question](/tpl/images/cats/mat.png)
Mathematics, 01.09.2019 13:30
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 01.09.2019 13:30
![question](/tpl/images/cats/istoriya.png)
History, 01.09.2019 13:30
![question](/tpl/images/cats/istoriya.png)
History, 01.09.2019 13:30
![question](/tpl/images/cats/en.png)
English, 01.09.2019 13:30
![question](/tpl/images/cats/mat.png)
Mathematics, 01.09.2019 13:30
![question](/tpl/images/cats/mat.png)
Mathematics, 01.09.2019 13:30
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/istoriya.png)
History, 01.09.2019 13:30
![question](/tpl/images/cats/mat.png)
Mathematics, 01.09.2019 13:30
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 01.09.2019 13:30
![question](/tpl/images/cats/istoriya.png)
History, 01.09.2019 13:30
![question](/tpl/images/cats/geografiya.png)
Geography, 01.09.2019 13:30
![question](/tpl/images/cats/istoriya.png)