Using f ( x , y , z ) = <msqrt> x + 2 y +

Paul Duran 2022-05-08 Answered
Using f ( x , y , z ) = x + 2 y + 3 z and an appropriately chosen linear approximation to find the value of 226
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Answers (1)

Lucille Lucas
Answered 2022-05-09 Author has 16 answers
Consider the special case x y , z so
f = x 1 + 2 y + 3 z x x ( 1 + 2 y + 3 z 2 x ) = x + 2 y + 3 z 2 x .
Now choose x = 15 2 , y = 1 2 , z = 0 to get 226 15 + 1 30 . To 6 decimalplaces this is 15.033333, whereas the correct answer is 15.033296.
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