6x^5+10x^4+9x^2+0
!! D:
!
: -
:
y=x^3+2x^2+4x
.
.
:
http://www.myforum.co.il/showthread.php?t=54265
^- , .
:5
!!!!!!!
3x^2 + 4x + 4
. X. , . .
.
' ' -12/05/11 -05/07/12.
Medieval Ages
Journey to The Past, - Agaisnt the Jammuza
, , Martin's Story.
.
: ( , )
![]()
:
![]()
![]()
![]()
!!
!
: -
:
y=sqrt x^2+2
( 2) 2.
?
.
:
http://www.myforum.co.il/showthread.php?t=54265
^- , .
: 5
!!!!!!!
sqrt(x^2 +2) sqrt(x^2) + 2 .
-x^2+2 X , . :
z sqrt(x^2 + 2)' = (1 / 2sqrt(x^2 +2)) * (2x) = x / sqrt(x^2 + 2 ) z
x .
, , Z .
.
' ' -12/05/11 -05/07/12.
Medieval Ages
Journey to The Past, - Agaisnt the Jammuza
, , Martin's Story.
.
: ( , )
![]()
:
![]()
![]()
![]()
sin x . . . :
z (sin x)^2 ' = 2 * sin x * (sinx)' = 2 * sin x * cos x
sin(2a) = 2 sina cosa :
z(sinx)^2 ' = sin(2x) z
.
' ' -12/05/11 -05/07/12.
Medieval Ages
Journey to The Past, - Agaisnt the Jammuza
, , Martin's Story.
.
: ( , )
![]()
:
![]()
![]()
![]()
:
integral(sinx * cosx dx) z
. -:
z (sinx)^2 ' = 2 * sinx * cosx
-
sinx * cosx = (sinx)^2 ' / 2
, -
sinx * cosx = ((sinx)^2 /2)' z
, -, f, f. , . ,
z (sinx)^2 / 2
sinx * cosx, sinx * cosx Z (sinx)^2 / 2.
C
z (sinx)^2 / 2 + C
.
' ' -12/05/11 -05/07/12.
Medieval Ages
Journey to The Past, - Agaisnt the Jammuza
, , Martin's Story.
.
: ( , )
![]()
:
![]()
![]()
![]()
, , .
I want to play a game
'' " ''" '' ''
Odin Borson
, !
1 . (0 -1 )