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Let w=(x1)2+(y3)2+z2w = ( x - 1 ) ^ { 2 } + ( y - 3 ) ^ { 2 } + z ^ { 2 }

Question 45

Multiple Choice

Let w=(x1) 2+(y3) 2+z2w = ( x - 1 ) ^ { 2 } + ( y - 3 ) ^ { 2 } + z ^ { 2 } with constraint 4x+2yz=54 x + 2 y - z = 5 . Then the minimum value of w is


A) 2921\frac { 29 } { 21 }
B) 2521\frac { 25 } { 21 }
C) 2321\frac { 23 } { 21 }
D) 2021\frac { 20 } { 21 }
E) 1921\frac { 19 } { 21 }

Correct Answer:

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