In , verify by substitution that each given

Chapter 1, Problem 3P

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QUESTION:

Problem 3P

In Problems, verify by substitution that each given function is a solution of the given differential equation. Throughout these problems, primes denote derivatives with respect to x.

y″ + 4y = 0; y1 = cos 2x, y2 = sin 2x

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QUESTION:

Problem 3P

In Problems, verify by substitution that each given function is a solution of the given differential equation. Throughout these problems, primes denote derivatives with respect to x.

y″ + 4y = 0; y1 = cos 2x, y2 = sin 2x

ANSWER:

Solution

Step 1 of 4

In this problem, we have to verify the substitution that each function will be a solution of the differential equation.

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