Find the values of (Xx) that minimize the function f(x,y) = 8x²- xy + 12y² subject to the constraint x + y = 42. a. using the substitution method. b. using the Lagrange multiplier method.

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Find the values of (x,y) that minimize the function f(x,y) = 8x2– xy + 12y? subject to the
constraint x + y = 42.
a. using the substitution method.
b. using the Lagrange multiplier method.
Transcribed Image Text:Find the values of (x,y) that minimize the function f(x,y) = 8x2– xy + 12y? subject to the constraint x + y = 42. a. using the substitution method. b. using the Lagrange multiplier method.
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