|
7
y=f(x) x :
| ,
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| ,
| * ,
| y=f(x) :
| *
|
| y=f(x)
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| :
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| y=f(x) , :
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| *
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| :
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| *0
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| -1
| y=f(x) :
| *
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|
| (u(x) v(x))' :
| u'(x) + v'(x)
| u'(x) - v'(x)
| u'(x) v'(x)
| *u'(x) v'(x)
| (u(x) *v(x))' :
| u'(x) v'(x)
| u'(x) v(x) − v'(x) u(x)
| *u'(x) v(x) + v'(x) u(x)
| v'(x) v(x) + u'(x) u(x)
| , c-const :
| cu
| *cu'
|
|
| y=f(u) u=f(x) , yx' :
| *fu'ux'
| fx ux'
| f(u) x'
| f(x) (x)
| x'y x=f(y) :
| x'y= y'x
| *x'y=1/ y'x
| x'y= x'x
| x'y= y'y
| y=f(x) :
| dy=y':dx
| dy=x'y'
| dy=
| *dy=y'x
| :
|
|
|
| * , =0
| f(-x)=-f(x), :
|
| *
|
|
| f(-x)=f(x), (x) :
| *
|
|
|
| (cu)', c-const?
| cu
| *cu'
|
|
| y=f(u) u=f(x) , yx' :
| *fu'* ux'
| fx'* ux'
| f(u)* x'
| f(x)* (x)
| x'y x=f(y) :
| x'y= y'x
| *x'y=1/ y'x
| x'y= x'x
| x'y= y'y
| =f() :
| f(x)*Δx
| *f '(x)Δx
|
|
| = 6 - 43.
| d2 y=(6x5 12x2 )dx2
| * d2 y=(30x4 24x)dx2
| d2 y=0
| d2 y=1
| = esin x =0.
| y' =0
| *y' =1
| y' =-1
| y' =2
| =s2 =0.
| y' =1
| *y' =2
| y' =0
| y' =3
| =2
| y' = 0
| y' =1
| *y' = 2
| y' = 3
| =sin2 x
| y' = 2sin x
| y' = 2cos x
| * y' = sin 2x
| y' = cos 2x
| =f() =q() (, ), =f()*q()?
| *
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: 2016-11-24; !; : 356 | :
:
, . ==> ... 1373 - | 1150 -
© 2015-2024 lektsii.org - - |