Mathematics, 25.07.2019 00:10 jayjay9496
(3 points) the directional derivative of f(x, y) at (2, 1) in the direction going from (2, 1) toward the point (1, 3) is −2/ √ 5, and the directional derivative at (2, 1) in the direction going from (2, 1) toward the point (5, 5) is 1. compute fx(2, 1) and fy(2, 1).
Answers: 1
. The derivative of 
at (2, 1) in the direction of 
is
. The derivative of 
is
and 
.
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(3 points) the directional derivative of f(x, y) at (2, 1) in the direction going from (2, 1) toward...
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