integration (1 Viewer)

[Rmd_1]

dose anyone can solve this quz for me?
i just can't get the rite answer

quz

Find the exact area enclosed between the curve y=x(x^2-1)
the x-axis and the lines x=1 and x=2.

thanx

anserw is 3

 

[Heinz]

what is this "3" ?

 

[Rmd_1]

it's sigh of square root

 

[Heinz]

heres the solution. Its one of those substitution questions.

 

[Rmd_1]

Yeah. i got it . thanks a heap Heinz!

 

[:: ck ::]

heinz which program?

 

[Heinz]

Originally posted by :: ryan.cck ::
heinz which program?

microsoft equation editor (word)

 

[~*HSC 4 life*~]

cool..i thought they're meant to give you the substitution in 3unit?

 

[Heinz]

Originally posted by ~*HSC 4 life*~
cool..i thought they're meant to give you the substitution in 3unit?

Yeah, they are supposed to tell you what substitution to use

 

[~*HSC 4 life*~]

do you think that was a 3unti question? and how are we meant to know that its a substitution q when they haven't given us one?