DHS 15.1 - Option 22. Decisions Ryabushko AP

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Uploaded: 09.11.2016
Content: 22v-IDZ15.1.doc (207 kB)

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1. Dana function u (M) = u (x, y, z) and the point M1, M2. Calculate: 1) The derivative of this function in the direction of the point M1 M1M2 vector; 2) grad u (M1)

1.22. u (M) = (x2 + y2 + z2) 3, M1 (1, 2, -1), M2 (0, 1, 3)

2. Calculate the surface integral of the first kind on the surface S, where S - part of the plane (p), cut off by the coordinate planes.

 (P): x + y + 2z = 2

3. Calculate the surface integral of the second kind.

 where S - the outer side of the closed surface formed by a paraboloid 3z = x2 + y2 and hemisphere z = √4 - x2 - y2.

4. Calculate the flow vector field a (M) through the outer surface of the pyramid formed by plane (p) and the coordinate planes in two ways: a) determination using flow; b) using the formula Ostrogradskii - Gauss.

4.22. and (M) = (x + z) i + (x + 3y) j + yk, (p): x + y + 2z = 2

Additional information

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

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