Предмет: Алгебра, автор: Malevich13

вычислите интегралы (3x^-2x)dx

Ответы

Автор ответа: 4y4eJlo
0

(3x-4)•cos2xdx=
по  частям
u=3x-4  =>  du=3dx
dv=cos2xdx  =>  v=½•sin2x
=½•(3x-4)•sin2x-(3/2)•∫sin2xdx=
=½•(3x-4)•sin2x+(3/4)•cos2x+C.


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