integration help (1 Viewer)

theMoment · May 2, 2010

integral of 1 / root (4- x^2) dx

thongetsu · May 2, 2010

substitution?

theMoment · May 2, 2010

substitute what?

Drongoski · May 2, 2010

theMoment said:
integral of 1 / root (4- x^2) dx

But isn't this covered by your standard integral on sin^-1 ?

omgmynameislong · May 2, 2010

inverse sin(x/2)

thongetsu · May 2, 2010

u= 4-x^2

adomad · May 3, 2010

thongetsu said:
u= 4-x^2

$$letting u =4-x^2$
$\frac{du}{dx}=-2x$
now what? douche

Drongoski · May 3, 2010

adomad said:
$$letting u =4-x^2$
$\frac{du}{dx}=-2x$
now what? douche

precisely!

It is just a standard integral.