Answered: m L = 1 {i² + (1+r)²a²} _K__ r ² 2 2 d… | bartleby

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evaluate the Lagrangian and show that it equals the answer in pink

m
L = 1 {i² + (1+r)²a²} _K__ r ²
2
2
d L
dt dr
ƏL
ər
= mř − ma² (1 + r) + Kr = 0

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Lagrangian in blue is equals the answer in pink

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