# Math Help - integral (proof/showing)

1. ## integral (proof/showing)

Having a bit of trouble, here is what i've done so far.

2. Originally Posted by rlkmg
Having a bit of trouble, here is what i've done so far.

So...?? What do you think you've proved so far?

$\displaystyle{I_{n+1}:=\int\limits^1_0\frac{x^n}{2-x}\,dx=\int\limits^1_0\frac{x^{n-1}(2-(2-x))}{2-x}\,dx=2I_n-\int\limits^1_0x^{n-1}\,dx}$ , and we're done

Tonio

3. $\int\limits^1_0x^{n-1}\,dx}$
thanks, I've got it now (the 2I(n) ) bit, but how do i get the above part to 1/n?

4. Originally Posted by rlkmg
thanks, I've got it now (the 2I(n) ) bit, but how do i get the above part to 1/n?

Just solve it!

Tonio

5. ahh okay, got it now, thanks! silly, didnt see that