To find the critical points of the function f (x, y,z, w) subject to the simultaneous
Chapter 4, Problem 25(choose chapter or problem)
To find the critical points of the function f (x, y,z, w) subject to the simultaneous constraints g(x, y,z, w) = c, h(x, y,z, w) = d, k(x, y,z, w) = e using the technique of Lagrange multipliers, one will have to solve a system of four equations in four unknowns.
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