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![SOLVED: (b) Show that the wave equation is satisfied when a^2 + b^2 = c^2. 1.92u + a^2u = c^2at^2 + ax^2 V = cos(at) * sin(bx) [3 marks] (c) Determine the](https://i0.wp.com/cdn.numerade.com/ask_images/1ef9dfbc52994176874035b7c5b0a04f.jpg)
![Solved] solve this question 7.6.21 7.621 :EQuestion Help O Solve the... | Course Hero](https://i0.wp.com/www.coursehero.com/qa/attachment/12563541/)
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