What Is the Speed of the Wave Described by Y(x,t)

question 46

Multiple Choice

What is the speed of the wave described by y(x,t) = A cos(x² + 2Bxt +B^2t2)

• A)B/2
• B)B
• C)2Bx
• D)B²
• E)The function given is not a solution to the wave equation.

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