Practice Examples (13.9) - Convolution Theorem - Mathematics (Civil Engineering -1)
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Practice Questions

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Question 1 Easy

What is the convolution of f(t) = t and g(t) = e^{-t}?

💡 Hint: Use integration by parts to solve the integral.

Question 2 Easy

How do we use the Laplace transform in solving differential equations?

💡 Hint: Identify the initial conditions before applying the transform.

4 more questions available

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Question 1

What is the result of the convolution of f(t) = t and g(t) = e^{-t}?

(t-1) + e^{-t}
(t+1)e^{-t}
t^2 + e^{-t}

💡 Hint: Think of the integral representation of convolution.

Question 2

True or False: Convolution allows us to convert a differential equation into an algebraic equation.

True
False

💡 Hint: Consider the conversion process.

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Challenge Problems

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Challenge 1 Hard

Evaluate the convolution of f(t) = sin(t) and g(t) = cos(t). Provide detailed steps showing the setup and final result.

💡 Hint: Use angles for simplifying the integration.

Challenge 2 Hard

Solve the differential equation y'' + 2y' + y = e^{-t} using convolution and provide the solution expression.

💡 Hint: Express the right side with the impulse response for simplification.

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