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The particular integral of the differential equation 
y" + y' + 3y = 5 cos(2x + 3) is
  • a)
    2 cos(2x + 3) - sin (2x + 3)
  • b)
    2 sin (2x + 3) + cos(2x + 3)
  • c)
    sin (2x + 3) - 2 cos (2x + 3)
  • d)
    2 sin (2x + 3) - cos (2x + 3)
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
The particular integral of the differential equationy" + y' +...
we have (D2 + D + 3)y = 5 cos(2x + 3)
So,

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Community Answer
The particular integral of the differential equationy" + y' +...
In order to find the particular integral of a differential equation, we first need to determine the homogeneous solution. The homogeneous solution is the solution to the differential equation when the right-hand side is set to zero.

Once we have the homogeneous solution, we can then find a particular solution that satisfies the original differential equation. This particular solution is typically found by making an educated guess based on the form of the differential equation.

For example, if the differential equation is of the form:

y'' + ay' + by = f(x)

where a and b are constants, we can guess that the particular solution has a similar form to f(x). We then substitute this guess into the differential equation and solve for the unknown coefficients.

The particular integral is the sum of the homogeneous solution and the particular solution.

It's important to note that the method for finding the particular integral can vary depending on the specific form of the differential equation. There are different techniques for different types of equations, such as linear, homogeneous, and non-homogeneous equations.
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The particular integral of the differential equationy" + y' + 3y = 5 cos(2x + 3) isa)2 cos(2x + 3) - sin (2x + 3)b)2 sin (2x + 3) + cos(2x + 3)c)sin (2x + 3) - 2 cos (2x + 3)d)2 sin (2x + 3) - cos (2x + 3)Correct answer is option 'D'. Can you explain this answer? for Mathematics 2025 is part of Mathematics preparation. The Question and answers have been prepared according to the Mathematics exam syllabus. Information about The particular integral of the differential equationy" + y' + 3y = 5 cos(2x + 3) isa)2 cos(2x + 3) - sin (2x + 3)b)2 sin (2x + 3) + cos(2x + 3)c)sin (2x + 3) - 2 cos (2x + 3)d)2 sin (2x + 3) - cos (2x + 3)Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Mathematics 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The particular integral of the differential equationy" + y' + 3y = 5 cos(2x + 3) isa)2 cos(2x + 3) - sin (2x + 3)b)2 sin (2x + 3) + cos(2x + 3)c)sin (2x + 3) - 2 cos (2x + 3)d)2 sin (2x + 3) - cos (2x + 3)Correct answer is option 'D'. Can you explain this answer?.
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