Solving the Ordinary Differential Equation (ODE) Test 1-Separation of Variables (with Direct Integration & Basic Forms)

Solving the Ordinary Differential Equation (ODE) Test 1-Separation of Variables (with Direct Integration & Basic Forms)

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数学老师
2025-06-23
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1. 单选题
120 秒

The first-order separable ordinary differential equations have the form of  , allowing integration of both sides independently to find the general solutions. 

Step 1, recognize the type of ODE, e.g., the 1st separable ordinary differential equations, and write it as  

Step 2, take the integral on both sides,  

Step 3, the integration on either side may require various standard techniques, i.e., simplify the LHS and RHS of Step 2

Select this button if you are familiar/master the key steps above and go

2. 单选题
120 秒

Direct Integration & Basic Forms Intro.  Read the following descriptions and select the last button to start

 Many ODEs, once variables are separated, reduce to elementary integral forms. This is common when

the functions of x and y are simple polynomials, exponentials, or basic trigonometric functions that integrate directly

Examples include integrals leading to logarithms (e.g., ) or simple power rules. 

Problem often involves in solving an integration constant using initial conditions (boundary values) particular solution

3. 单选题
180 秒

 , given y(1) = 1/2.  

 

 

 

D)  

4. 单选题
180 秒

Find the general solution of 

 

 

 

5. 单选题
180 秒

Solve the differential equation  , given  .  

 

 

 

6. 单选题
180 秒

A quantity P grows at a rate proportional to its current value. If , and P(0) = 100, find P(t).  

 

 

 

7. 单选题
180 秒

Find the general solution of  for  

 

 

 

8. 单选题
180 秒

If and , find .

 

 

 

9. 单选题
180 秒

Solve  , given y(0) = 1. 

 

 

 

10. 单选题
180 秒

Find the general solution of  

 

 

 

11. 单选题
300 秒

The rate of change of temperature T of a cooling object is  . If T(0) = 100, find T(t).   

 

 

 

12. 单选题
180 秒

Solve the differential equation  , given y(1) = e.   

  

 

 

300 秒
<p>State the value of <span data-tex="x"> </span> as <span data-tex="t"> </span> becomes large ( <span data-tex="t\to\infty"> </span>).</p>

State the value of as becomes large ( ).

300
60/0.2=300
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