Mynameismath

29.11.2019 • 

Mathematics

Suppose that f ( x , y ) = x 2 − x y + y 2 − 3 x + 3 y , with domain d constrained by the lines y = x , y = 0 , and x = 3 . the critical point of f ( x , y ) restricted to the boundary of d , but not at a corner point, is at ( a , b ) , where a and b . the absolute minimum of f ( x , y ) is and the absolute maximum is 9 correct .

Ответ:

thevampsrock3

26.06.2022

Mathematics

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Multiply the first, outside, inside, and last terms of the binomials.

Multiply a times a, a times -b, b times a, and b times -b.

This is the same as just squaring a and squaring b.

A shortcut is to add a squared and b squared.

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