### Author Topic: section 2.1  (Read 236 times)

#### Arush Mitra

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##### section 2.1
« on: September 21, 2016, 01:59:17 PM »
could someone please explain how do we get from equation 1 to equation 2. please check the attached file to view the equations.
No, we do not get equation (2) from (1) but we observe that if (1) holds and we take $dx$, $dt$ satisfying (1) then