Posted by **amy** on Tuesday, March 15, 2011 at 7:29pm.

find the nth derivative of 2/(x+1)

- calculus -
**MathMate**, Tuesday, March 15, 2011 at 8:18pm
f(x)=2/(x+1)

df/dx = -2/(x+1)^2

d²f/dx² = 4/(x+1)³

d³f/dx² = -12/(x+1)^4

...

d^{10}f/dx^{10} = 7257600/(x+1)^11

The last derivative is intended to be a test for your "rule", which your teacher would like you to discover.

If you wish, you could send in your nth derivative for a check.

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