IDZ 10.2 - Option 19. Decisions Ryabushko AP
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1.19 S: x2 + y2 - z2 + xz + 4y = 4, M0 (1, 1, 2)
2. Find the second partial derivatives of the functions. Ensure that z "xy = z" yx
2.19 z = arctg (2x - y)
3. To verify whether the above equation the function u.
4. Examine the following function extremum.
4.19 z = xy - x2 - y2 + 9
5. Find the maximum and minimum values \u200b\u200bof the function z = z (x, y) in D, given the limited lines.
5.19 z = xy - 3x - 2y, D: x = 0, x = 4, y = 0, y = 4
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Cumulative discount
| 30 $ | the discount is 10% |
| 20 $ | the discount is 7% |
| 18 $ | the discount is 6% |
| 15 $ | the discount is 5% |
| 12 $ | the discount is 4% |
| 9 $ | the discount is 3% |
| 6 $ | the discount is 2% |
| 3 $ | the discount is 1% |
Amount of purchases from the seller: $
Your discount: %
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