What does mean in Lagrange's equation (LE = U + )?

1.	What does mean in Lagrange's equation (LE = U + )?
A.	Lagrange's multipliers
B.	Functional constraints
C.	Multiple variable objective
D.	None of the above
Answer» C. Multiple variable objective

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What does mean in Lagrange's equation (LE = U + )?

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