if X is random variable with its mean then expression E(x ) 2 represent expectation of X
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Determine the point which maximises or minimises the function :
U= x
2
+ xy+y2
+3z2
Subject to : z+2y +4z = 60Determine the point which maximises or minimises the function :
U= x
2
+ xy+y2
+3z2
Subject to : z+2y +4z = 60
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