I have the following problem : Find the extremals of the functional :
![Problem]!](https://i.stack.imgur.com/mpgif.jpg)
where lampda is Lagrange multipliers my question is how to solve the differential equation below
sorry L dont =0
![Solution]!](https://i.stack.imgur.com/5evJl.jpg)
2026-03-27 01:13:32.1774574012
Conditional extremum with Lagrange multipliers
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