ASK YOUR TEACHER Find the linear approximations of the function below and at the indicated point. f$x, y$ = ln(x-6 y) at (7, 1) f(x, y) ≈ Correct: Your answer is correct. Use the approximation to find f(6.91, 1.07). (Round the answer to two decimal places.) f(6.91, 1.07) ≈ -0.51 Correct: Your answer is correct. Illustrate by graphing f and the tangent plane. (Do this on paper. Your instructor may ask you to turn in this work.

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Ответ:

zenzen24

29.05.2022

Mathematics

$8b\sqrt{2ab}$

Step-by-step explanation:

Rewrite 128a $b^{3}$ as $(8b)^{2}$ ⋅ (2ab).

Factor 64 out of 128.

$\sqrt{64 (2)ab^{3} }$

Rewrite 64 as $8^{2}$ .

$\sqrt{8^{2} . 2ab^{3}$

Factor out $b^{2}$ .

$\sqrt{8^{2} . 2a (b^{2}b)$

Move a.

$\sqrt{8^{2} . 2b^{2}ab$

Move 2.

$\sqrt{8^2b^2 . 2ab}$

Rewrite $8^{2} b^{2}$ as $(8b)^{2}$ .

$\sqrt{(8b)^2 . 2 (ab)}$

Add parentheses.

$\sqrt{(8b)^2 . (2ab)}$

Pull terms out from under the radical.

$8b\sqrt{2ab}$

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