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Mathematics 49 Online
OpenStudy (anonymous):

Integrate from sqrt(x) to 2 : sin(y^3) dy? how do i solve it? i tried u substitution, u= y^3, du = 3y^2, but then i dont kno what to do next

OpenStudy (zarkon):

is that the entire problem...or was it originally a double integral

OpenStudy (anonymous):

DOUBLE INTERRAL

OpenStudy (zarkon):

:) good...switch the limits of integration and then work out the problem

OpenStudy (anonymous):

ILLL PUT THE CORRECT WAY, INGRATE(Y=0 TO y=2) ingrate(x=0 to x=y^2) sin(y^3) dxdy

OpenStudy (anonymous):

Integrate wrt x first

OpenStudy (anonymous):

y take the to intreate (0 to 2) (y^2)sin(y^3)dy then?

OpenStudy (anonymous):

yeah

OpenStudy (anonymous):

now your substitution step will work

OpenStudy (anonymous):

ohh :D

OpenStudy (anonymous):

thanks

OpenStudy (anonymous):

no prob

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