$\displaystyle t = {n^2} + 2n\\$

$\displaystyle dt = 2ndn + 2dn\\$

$\displaystyle ddt = 2d{n^2}\\$

$\displaystyle {d^3}t = 0$

i know how dt, $\displaystyle {d^3}t$ is calculated but have no idea regarding ddt,..... what does it even mean

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- Jun 23rd 2013, 08:34 AMmpx86derivative problem
$\displaystyle t = {n^2} + 2n\\$

$\displaystyle dt = 2ndn + 2dn\\$

$\displaystyle ddt = 2d{n^2}\\$

$\displaystyle {d^3}t = 0$

i know how dt, $\displaystyle {d^3}t$ is calculated but have no idea regarding ddt,..... what does it even mean - Jun 23rd 2013, 08:42 AMPlatoRe: derivative problem
- Jun 23rd 2013, 09:01 AMmpx86Re: derivative problem
- Jun 23rd 2013, 09:30 AMleibnitzRe: derivative problem
IMPLICIT FUNCTION. find dy /dx if x²y-5x=3

- Jun 23rd 2013, 07:48 PMibduttRe: derivative problem