Call Now to Set Up Tutoring:

(888) 888-0446

AP Calculus AB : Solving separable differential equations and using them in modeling

Study concepts, example questions & explanations for AP Calculus AB

Create An Account

All AP Calculus AB Resources

3 Diagnostic Tests 164 Practice Tests Question of the Day Flashcards Learn by Concept

Example Questions

Example Question #21 : Solving Separable Differential Equations And Using Them In Modeling

Solve the separable differential equation:

$\frac{\mathrm{d} y}{\mathrm{d} x}=y\cos(x)$

given the condition at

$x=\pi, y=2$

Possible Answers:

$y=2e^{\sin(x)}$

y=x

$y=e^{\sin(x)}$

$y=Ce^{\sin(x)}$

Correct answer:

$y=2e^{\sin(x)}$

Explanation:

To solve the separable differential equation, we must separate x and y to the same sides as their respective derivatives:

$\frac{dy}{y}=\cos(x)dx$

Next, we integrate both sides:

$\int \frac{dy}{y}=\ln\left | y\right |+C$ ; $\int \cos(x)dx=\sin(x)+C$

The integrals were solved using the identical rules.

The two constants of integration are now combined to make a single one:

$\ln \left | y\right |= \sin(x)+C$

Now, exponentiate both sides of the equation to solve for y, and use the properties of exponents to rearrange C:

$y=e^{\sin(x)+C}=e^{\sin(x)}\cdot e^C=Ce^{\sin(x)}$

Finally, we solve for the integration constant using the given condition:

$2=Ce^{\sin(\pi)}=Ce^0=C$

Our final answer is

$y=2e^{\sin(x)}$

Report an Error

View AP Calculus AB Tutors

Sumit
Certified Tutor

Calcutta University, Bachelor of Science, Mathematics. Indian Statistical Institute, Master of Science, Mathematics.

View AP Calculus AB Tutors

Kevin
Certified Tutor

University of Michigan-Ann Arbor, Bachelor of Science, Neuroscience.

View AP Calculus AB Tutors

Satweka
Certified Tutor

The University of Texas at Dallas, Master of Science, Biomedical Engineering.

All AP Calculus AB Resources

3 Diagnostic Tests 164 Practice Tests Question of the Day Flashcards Learn by Concept

Popular Subjects

English Tutors in Boston, GMAT Tutors in Atlanta, MCAT Tutors in Dallas Fort Worth, Reading Tutors in Miami, Computer Science Tutors in Atlanta, Physics Tutors in Chicago, Computer Science Tutors in Denver, Biology Tutors in Phoenix, Biology Tutors in San Diego, SAT Tutors in Dallas Fort Worth

Popular Courses & Classes

Spanish Courses & Classes in Seattle, ACT Courses & Classes in San Francisco-Bay Area, Spanish Courses & Classes in San Diego, MCAT Courses & Classes in Houston, ISEE Courses & Classes in Washington DC, MCAT Courses & Classes in Washington DC, Spanish Courses & Classes in New York City, ACT Courses & Classes in New York City, GMAT Courses & Classes in Miami, LSAT Courses & Classes in San Diego

Popular Test Prep

ISEE Test Prep in Los Angeles, LSAT Test Prep in Los Angeles, ACT Test Prep in New York City, GMAT Test Prep in Philadelphia, GMAT Test Prep in Miami, ACT Test Prep in San Francisco-Bay Area, GMAT Test Prep in Chicago, SSAT Test Prep in Phoenix, SAT Test Prep in Houston, ACT Test Prep in Chicago

DMCA Complaint

If you believe that content available by means of the Website (as defined in our Terms of Service) infringes one or more of your copyrights, please notify us by providing a written notice (“Infringement Notice”) containing the information described below to the designated agent listed below. If Varsity Tutors takes action in response to an Infringement Notice, it will make a good faith attempt to contact the party that made such content available by means of the most recent email address, if any, provided by such party to Varsity Tutors.

Your Infringement Notice may be forwarded to the party that made the content available or to third parties such as ChillingEffects.org.

Please be advised that you will be liable for damages (including costs and attorneys’ fees) if you materially misrepresent that a product or activity is infringing your copyrights. Thus, if you are not sure content located on or linked-to by the Website infringes your copyright, you should consider first contacting an attorney.

Please follow these steps to file a notice:

You must include the following:

A physical or electronic signature of the copyright owner or a person authorized to act on their behalf; An identification of the copyright claimed to have been infringed; A description of the nature and exact location of the content that you claim to infringe your copyright, in \ sufficient detail to permit Varsity Tutors to find and positively identify that content; for example we require a link to the specific question (not just the name of the question) that contains the content and a description of which specific portion of the question – an image, a link, the text, etc – your complaint refers to; Your name, address, telephone number and email address; and A statement by you: (a) that you believe in good faith that the use of the content that you claim to infringe your copyright is not authorized by law, or by the copyright owner or such owner’s agent; (b) that all of the information contained in your Infringement Notice is accurate, and (c) under penalty of perjury, that you are either the copyright owner or a person authorized to act on their behalf.

Send your complaint to our designated agent at:

Charles Cohn Varsity Tutors LLC
101 S. Hanley Rd, Suite 300
St. Louis, MO 63105

Or fill out the form below:

Do not fill in this field

Contact Information

* Full legal name

Company name

* Phone number

* Email address

Address

* Address1

Address2

* City

* State

* Zipcode

* Country

Complaint Details

* URL of copyrighted work (where your original material is located)

* Please describe the copyrighted work so that it may be easily identified

I am the owner, or an agent authorized to act on behalf of the owner of an exclusive right that is allegedly infringed.

I have a good faith belief that the use of the material in the manner complained of is not authorized by the copyright owner, its agent, or the law.

This notification is accurate.

I acknowledge that there may be adverse legal consequences for making false or bad faith allegations of copyright infringement by using this process.

* Signature (your digital signature is legally binding)

HIGH SCHOOL

GRADUATE SCHOOL

K-8

Search 50+ Tests

math tutoring

science tutoring

foreign languages

elementary tutoring

other

Search 350+ Subjects

AP Calculus AB : Solving separable differential equations and using them in modeling

Study concepts, example questions & explanations for AP Calculus AB

All AP Calculus AB Resources

Example Questions

Example Question #21 : Solving Separable Differential Equations And Using Them In Modeling

All AP Calculus AB Resources

Report an issue with this question

DMCA Complaint

Contact Information

Address

Complaint Details

Email address:
Your name:
Feedback: