1
1. Excel
1.1.
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Y= 2x3 + x2 x=3. , , 60.
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1.2.
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3 =(A3-A2)*B2+(A3-A2)*(B3-B2)/2+C2, . , 3 = 3. 17 - 9.1.3.
F(x) [a, b] , Excel .
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1.4.
1.4.1.
Excel (.1.1).
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1.4.2.
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X=A-1B,
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1.4.3. :
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1.5.
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X3-0,01X2-0,7044X+0,139104=0 [-1 ; 1]. , , .
1.
Y = X3-0,01X2-0,7044X+0,139104
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1.6.
Excel . . .
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y [-3; 3].
1. . (x, y) , :
(x2 + y2 3)2 + (2x + 3y 1)2 = 0
2. , , x y. :
0,5, 3 0,5.
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=(^2+Y^2-3)^2+(2*+3*Y-1)^2. [Ctrl]+[Shift]+[Enter] . .
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(-1,269; 1,1791) (1,5764; -0,718).
1. :
1Sin(x)e-2x = 0 [-2;2] = 0
2X3-2,56x2-1,3251x+4,395006=0X=-0,94644
3X3-2,92x2+1,4355x+0,791136=0 [-3;3]-0,32; 1,229997;
2,010001
4x3-2,84x2-5,6064x-1476336 = 04,700766
5X3+1,41x2-5,4724x-7,380384 = 03,542723
2. = :
12
3 4
3. :
a) Y = 2x2 = 3
b) Y= Sin(x) = 0
c) Y = Cos(x) = 0
d) Y= Sin(x) = /2
e) Y = Cos(x) = /2
f) Y= Tg(x) = 0
4. :
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D)
5. :
a) Y = (2 x)2b) Y = x2 + y2 3
c) Y = (x-2)2 +(y+3)2-6
d) Y = sin(2x) [0; /2]
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