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20-24.12.2016 | |
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1503, 1504, 1503, 1504 | |
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: | - - - ; - (1, 2, 3); |
: | - - , - , ; - ; |
: | - - , ; |
: | - : , ; - , ; |
: (), , ,
: ,
5 | , , .
: , . , ( ). : 1 , 0.
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20 | 1. . ( 1) (5 ) 2. 1 (10 ) 3. 1 (5 ) | , , | ||||||||||
15 | , . . y=f(x) y ¢= f ¢(x). f(x), , : . : - , n- - . ( ). 1. ? . = f(), 0, . 2. S = S(t), S' (t) ? . t - S' (t) = v(t) ? . , .. (t) = v' (t) = S' ' (t). . , , y . | |||||||||||
30 | (8 ) (: , , ). ( 1, ) | 1. , (30 .) (1-6 ) 2. (7 ) 3. | ||||||||||
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5 | : . | |||||||||||
5 | . . | |||||||||||
¡ . 2 x(t)=t2+t+1. F, 2 . ¡ : |
1. :
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f(x) | c, =const | x | xn | sinx | cosx | tgx | ctgx | a x | ex | lnx | |||
f / (x) | nxn-1 | cosx | -sinx | a xln a | ex |
2. :
(ku)/ = ku/
(u+v)/ = u/ + v/
(uv)/ = u/v + uv/
1. , , , :
2.
1.1 | 1.4 | 1.7 |
1.2 | 1.5 | 1.8 |
1.3 = | 1.6 | 1.9 = |
.
1. ?
. = f(), 0, .
2. S = S(t), S' (t) ?
. t - S' (t) = v(t)
3. ?
. , .. (t) = v' (t) = S' ' (t).
. , , y .
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, .
ü υ(t) = '(t) .
ü a(t) = υ'(t) .
ü I(t) = q'(t) .
ü (t) = Q'(t) .
ü d(l) = m'(l) .
ü K(t) = l'(t) .
ü ω(t) = φ'(t) .
ü e(t) = ω'(t) .
, .
ü N(t) = A'(t) .
ü F(x)= A'(x) .
ü = '(t) F = '(t) 2 .
4 x(t)=t2+t+1. 1. - 3 . ? - ? 2. , ? | 1. W = (mv2)/2 x ' (t) = v (t) = 2t+1, v (3) = 7, a(t)= v' (t) = 2, W = (4·72)/2=98 2. F = ma, a(t) = v' (t) = x' ' (t), x ' (t) = v (t) = 2t+1, a(t)= v' (t) = 2, F = ma = 4·2 = 8 H. |
φ(t)=0,1t2-0,5t+0,2. t=20. | ω(t) = φ'(t) φ'(t) = 0,2t-0,5 ω(t) = 0,2t-0,5 ω(20) = 3,5 |
10 , m(l)=3l2+5l. , . | d(l) = m'(l) m'(l) = 6l+5 d(l) = 6l+5 d(5) = 6·5+5=35 d(10) = 6·10+5=65 |
, , t=0, q=3t2-3t+4. 6- . | I(t) = q'(t) q'(t) = 6t-3 I(t) = 6t-3 I(6) = 6·6-3=33 |
.
1. .
1.1 S(t)=2t4+3t2-t+√t3 v(t), a(t)-? | 1.6 S(t)=12t 2-(2/3)t3 v(t), a(t)-? | 1.11 S(t)=21t+2t2-(1/3)t3 v(t), a(t)-? |
1.2 S(t)=5sin(3t+1), v(t)-? | 1.7 S(t)=6cos(0,5t-4), v(t)-? | 1.12 S(t)=0,5sin(4t+2), v(t)-? |
1. 3 x(t)= - 4t2+2t+2, v(1)-? | 1.8 x(t)= √t+2t2 - 3t+2, v(25)-? | 1.13 x(t)=(-1/3)t3+2t2+5t, v(2)-? |
1.4 x(t)=t3-4t2, a(5) -? | 1.9 x(t)=0,25t4-2t2, a(1) -? | 1.14 x(t)=t5+3t2-1, a(2) -? |
1.5 x(t)=(-1/6)t3 +3t2 5, t, a(t)=0 | 1.10 x(t)=2t3+t-1, t, a(t)=2 | 1.15 x(t)= (-1/3)t3+2t2+5t, t, v(t)=0 |
2. .
2.1 F, m, s(t) = 2t3-t2, t=2.
2.2 2 x(t)=t2+t+1. F, 2 .
2.3 , , t φ(t)=4t-0,3t2. ω(t) 2 .
2.4 x(t)=√t. 4.
2.5 , s(t)=3t+5.
2.6 s(t)=2t2-t+4. t1=0, t2=2, t3=5 .
2.7 t=5, s(t)=3t2-2t+5.
2.8 s (t)=1-2t+t3. t=3.
2.9 t=2, s=4t2-3.
2.10 , s(t)=t2-4t+5, 0?
2.11 I=0,4t2. 8- .
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2.12 I = 2t2-5t. 10- .
2.13 Q, Q=10t+0,5t2. 20 .
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1
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=, -const (), y'=(C)'=0 :1) =6 (.. =6), y'=(6)'=0 2) =-0,81 (.. =0,81), y'=(0,81)'=0 | 1) =31 2) =-1/3 | |
=, -const (), y'=()'= :1) =5 (.. =5), y'=(5)'=5 2) =-3 (.. =-3), y'=(-3)'=-3 3) =2/5 (.. =2/5), y'=(2/5)'=2/5 | 1) =17 2) =-0,2 3)=/3 | |
= ( n, n N, n≥2), y'= n . : 1) (.. n=10), y' 2) (.. n=2), y' | 1) = 2) = 3) =- | |
=c ( n, n N, n≥2, -const), y'= n : 1) (.. n=10, =3), y' 2) (.. n=2, =- ), y' | 1) = 2) = 3) =-0,5 | |
y'=(u+v)', u, v , y'=u'+v' : 1) (.. u= , v=3), y' 2) (.. u=6x, v=3), y'= | 1) y=1-2x 2) y=13x 3) y=5x | |
y=uv, u, v , y'=u'v+uv' : 1) (.. u= , v= ), '=(6-3)'(2-)+(6-3)(2-)'=6(2-)+(6-3)(-1)=12-6-6+3=-12+15 2) =3 (+5) (.. u=3x , v=x+5), '=(3x )'(+5)+ 3x (+5)'=33 (+5) +3x 1=9x (+5)+ 3x =9x +45x +3x =12x +45x | 1) =(5-2)(3+1) 2) = 7 3) y=(x | |
y= , u, v , v , : 1) (.. u=+2, v=-1), | 1) | |
y = f(x) : y = f(x)1. . 2. f(). 3. f '(x) f '(). 4. a, f(x), f '() y - f() = f '(x)(x ). . 1. =3 1. a = 3 . 2. f(3) = 2. 3. f '(x) = x2 4, f '(3) = 5. y = 2 + 5(x 3), y = 5x 17 . |
: :
1 | 2 | 3 |
1. y= =x3-15 2. y=-3x3+5-8+4x2 3. y=(x3-1)(x+1) 4. y=(x3-2)(3x+1) 5. 6. 7. Y=3x3-x, | 1. y= =2x2-1 2. y= x3+6-18+6x2 3. y=(x2+1)(x-5) 4. y=(x3+2)(7x-3) 5. 6. 7. Y=-x3+x, | 1. y= =8x2+ 2. y= x4+5-1+2x2 3. y=(x2+2)(x+5) 4. y=(x3+2)(x+15) 5. 6. 7. Y=-3x2+12x, |
4 | 5 | 6 |
1. y= =3x3-5 2. y= 5x3+5-8+x2 3. y=(x3-7)(2x+1) 4. y=(x3-6)(x+1) 5. 6. 7. Y=x2+5x+4, | 1. y= =4x2+5 2. y=x4+-10+5x2 3. y=(x2-5)(x+2) 4. y=(3x3+)(x-5) 5. 6. 7. Y=-x2+2x+15, | 1. y= =2x3- 2. y= 4x3+5-8+2x2 3. y=(x3-1)(x+2) 4. y=(x3-2)(2x+1) 5. 6. 7. Y=1/3x3-9, |
7 | 8 | 9 |
1. 2. =15x3+6-2+x2 3. y=-8x2(+1) 4. y=4x(1-2x-2x2) 5. y=sin x/ln x 6. 7. Y=3x3-x, | 1. Y=3x -5 2. =2x4+5-10+5x2 3. y=-2x(5x+3) 4. y=(3x-5)(5-x2) 5. 6. y=cos x2x 7. Y=-x3+x, | 1. y= =-3x3 2. y= 3x3+15-8+x2 3. y=(x3-1)(x+1) 4. y=5x tg x 5. 6. 7. Y=-3x2+12x, |
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