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Math Chapter Wise question with answer

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Question #51,979
Math Chapter Wise Statics And Dynamics English MCQ UPPSC Polytechnic Lecturer 2021(II)

Q.The Lagrangian of a system is 2 • 13 L = mx 2 + i i • 2 4mxy+ 3my – mg(x + 2y) Which one of the following is conserved?

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