: = f(u), : u = φ(x), .. , ( ): y = f(φ(x)).
:
yx = yu ux
:
x | ||
un | n∙un-1∙ u | |
eu | eu∙u | |
au | au ∙ln a ∙ u | |
ln u | ||
loga u | ||
sin u | cos u∙u | |
cos u | sin u∙u | |
tg u | ||
ctg u | ||
arcsin u | ||
arcos u | ||
arctg u | ||
arcctg u |
. ) = + 2
(3) (1), (2), :
' = (x + 2) = (x) + (2) = 1 + 0 = 1.
). y = (2 x 3)(3 x + 2)
y = ((2 x 3)(3 x + 2)) = (2 x 3) ∙(3 x + 2) + (2 x 3)∙(3 x + 2) = 2∙(3 x + 2) + (2 x 3)∙3 = 12 x 5. (5).
) =
(7),
) =
, (4) (3).
' = .
) = (x 3 2 x 2 + 5)6
x 3 2 x 2 + 5 = , = 6. (3), = ( 6) = 6 u 5∙ u = 6(x 3 2 x 2 + 5)5∙(x 3 2 x 2 + 5) = 6(x 3 2 x 2 + 5)5∙(3 x 2 4 x).
)
(7) (10) :
= .
)
(4) (10), :
.
) y = tg(3 x 2 1).
(12) :
y' = (tg(3 x 2 1)) = .
) .
(8), (3), (4), (5) :
=
= .
9. = 3 12 [0, 5].
. : = 3 2 12.
, .. , = 0 : 3 2 12 = 0, 1 = 2, 2 = 2. 1 = 2 [0, 5], .
2 = 2 : (2) = 16, (0) = 0, (5) = 65.
: [0, 5] 65, 16.
10. = .
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, 1 = 2 2 = 2, ( 2 4 = 0). .. : (-∞; -2)U(-2; 2)U(2; +∞)
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, -2 0 2 x
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2. .
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II. ; ; ; ; ( ). .
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