## Question

###### 2. [5 pts] Find a first integral of the Euler-Lagrange equation that makes the following integral stationary (no need to simplify answer):(22 y 23/2 dx '1+y2

2. [5 pts] Find a first integral of the Euler-Lagrange equation that makes the following integral stationary (no need to simplify answer): (22 y 23/2 dx '1+y2

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