. 1- 2- .
3.1. :
1) F(2,3), F(1,2), F(2,1), F(a,0), F(0,a),
2) F(2,4), F(4,2), F(1,a),
3.2. :
1) 2) 3)
4) 5) 6)
7)
3.3. :
1) z=xy; 2) z=y-x2; 3) z=
4) z=ln(x2+y2); 5) z=
1- :
3.4. z=x2-2xy-5y3. 3.5. z=2x3+3x2y-y+5.
3.6. z= e . 3.7. z=ln(x2+y2).
3.8. z= . 3.9. z= .
3.10. z= xy. 3.11. z=x2exy.
3.12. z= arctg(). 3.13. z= arcsin .
2- :
3.14. z= x2-2xy+5y2. 3.15. z= .
3.16. z= . 3.17. z= ln(x2-y2).
3.18. 3- :
1) z=2x3+xy2-y3+y2-x; 2) z= .
3.19. grad z(x,y) :
1) 2)
3) ; 4)
3.20. grad z (1;2) :
1) z=4-x2-y2; 2) z=x2-y;
3) z=2x+y-3; 4) z= .
:
3.21. z= 3x2 +xy+2y2+4x-7y+15.
3.22. z= -x2+2xy-2y2 +2x+20.
3.23. z= 5x2 +2xy - y2-4x-8y+10.
3.24. z= x3 +8y3 -6xy +1.
3.25. z= 2x3 -xy2 +5x2+y2.
3.26. z= .
: [1; 2; 6; 7; 9]
- :[5]
2. .
.
4.
.
4.1. , :
:
:
.
4.19. :
4. 20. S5 , [1;2] . .
4.21.
:
4.22. 4.23.
4.24. 4.25.
4.26. 4.27.
, :
4.28. = ex, =0, =1, =0.
4.29. = x2+5x+6, =-1, =2, =0.
4.30. = -x2+2x+3, =0.
4.31. =x7, =2, =0.
4.32. = ln x, =e, =0.
4.33. = sin x, =0, .
, , :
4.34. = 4-x2, =0, =0, , : 1) ; 2) .
4.35. = ex, x=0, x=1, =0 : 1) ; 2) .
4.36. = x2+1, =0, =1, x=2 : 1) ; 2) .
:
4.37.
4.38. 4.39.
4.40. 4.41. 4.42.
: [1; 2; 6; 7; 9]
- :[5]
5.
.
1- .
5.1. , = .
|
|
5.2. ,
5.3.
5.4.
:
5. 1-
:
: [1; 2; 6; 7; 9]
- : [2; 5]
6.
. .