Practice Orthogonality of Sine Functions - 20.9 | 20. Rectangular Membrane, Use of Double Fourier Series | Mathematics (Civil Engineering -1)
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Practice Questions

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Question 1

Easy

What is orthogonality in the context of sine functions?

💡 Hint: Think about how perpendicular functions behave.

Question 2

Easy

What is the value of the integral of sin(mx) * sin(mx) over [0,a]?

💡 Hint: Refer to the self-product of sine functions.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

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

Question 1

What does the integral of sin(mx) * sin(nx) equal over [0,a] if m ≠ n?

  • 0
  • a/2
  • a

💡 Hint: Think about the property of orthogonal functions.

Question 2

True or False: The integral of sin(mx) * sin(mx) over [0,a] equals a.

💡 Hint: Review how squares of functions behave under integration.

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Challenge Problems

Push your limits with challenges.

Question 1

Given the sine functions sin(2πx) and sin(3πx), calculate their integral over the interval [0,1] and explain the significance.

💡 Hint: Remember to use the integral properties of sine functions.

Question 2

Demonstrate how the orthogonality of sine functions aids in constructing a solution for a vibrating rectangular membrane.

💡 Hint: Consider how modes interact during vibration and their independence.

Challenge and get performance evaluation