# IDZ 10.1 - Option 10. Decisions Ryabushko AP

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# Description

1. Find the domain of these functions.
1.10 z = ln (x2 + y2 - 3)

2. Find the partial derivatives and partial differentials of the following functions.
2.10 z = arccos (y / x)

3. Calculate the value of partial f´x (M0), f´y (M0), f´z (M0), for the function f (x, y, z) at the point M0 (x0, y0, z0) with an accuracy of to two decimal places
3.10 f (x, y, z) = √zsin (y / x), M0 (2, 0, 4)

4. Find the total differentials of these functions.
4.10 z = arctg (2x - y)

5. Calculate the value of the derivative of a composite function u = u (x, y), where x = x (t), y = y (t), at t = t0 up to two decimal places.
5.10 u = ln (e-x + ey), x = t2, y = t3, t0 = -1

6. Calculate the values of the partial derivatives of the function z (x, y) given implicitly at the point M0 (x0, y0, z0) accurate to two decimal places.

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)

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