Practice Solution by Undetermined Coefficients - 7 | 7. Solution by Undetermined Coefficients | Mathematics (Civil Engineering -1)
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the general form of a linear non-homogeneous differential equation?

💡 Hint: Look for terms involving y, its first and second derivatives and a function f(x).

Question 2

Easy

Identify a suitable f(x) for the method of undetermined coefficients.

💡 Hint: Think about functions you can easily differentiate or integrate.

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Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is a complementary function in the context of differential equations?

💡 Hint: Focus on what happens when f(x) = 0.

Question 2

Can the method of undetermined coefficients be used for ln(x)?

  • True
  • False

💡 Hint: Consider the categories of functions suitable for this method.

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Challenge Problems

Push your limits with challenges.

Question 1

Investigate the differential equation y'' + 2y' + 5y = 10e^x + sin(2x). Provide the general solution.

💡 Hint: Pay attention to the form of each term to set up your trial solutions.

Question 2

Given the equation y'' - 3y' + 2y = x*cos(x) + 4e^x, decompose the problem into finding complementary and particular solutions, and combine them.

💡 Hint: Keep track of your trials—f(x) will provide hints for the forms.

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