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3 years ago

HELP ME PLEASE ASAP WORK DUE IN AN HOUR PLEASEEE!!!! WILLING TO GIVE ANYTHING

Mathematics

1 answer:

zvonat [6]3 years ago

7 0

50 x 2 = 100

100 x 2 = 200

200 x 2 = 400

400 x 2 = 800

800 x 2 = 1,600

1,600 x 2 = 3,200

3,200 x 2 = 6,400

6,400 x 2 = 12,800

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$f_y(1,-2) = \frac{6(-2)}{\ln{(2 + 3(1)^2 + 3(-2)^2)}} = -\frac{12}{\ln{17}}$

Directional derivative:

$D_{u}(x,y) = f_{x}(x,y)*a + f_{y}(x,y)*b$

$D_{u}(x,y) = \frac{6}{\ln{17}}\times\frac{3}{\sqrt{10}}-\frac{12}{\ln{17}}\times\frac{1}{\sqrt{10}}$

$D_{u}(x,y) = \frac{18}{\ln{17}\sqrt{10}} - \frac{12}{\ln{17}\sqrt{10}}[tex][tex]D_{u}(x,y) = \frac{6}{\ln{17}\sqrt{10}}$

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