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  1. S

    Much greater than

    Alright, after reading the posts I was able to do a few things and hope that I got it right. I distributed (1/a) and then found the LCD of the two fractions. Took out the (1/r) that was in the fraction, distributed a in the denominator, factored out a squared in the denominator, canceled the a...
  2. S

    Much greater than

    Well the intended result is necessary because without it Coulumb's Law would not hold. Unless this means I need to work with the rest of the equation. The full final equation: F = ((q*Q)/a*4*pi*epsilon-naught)*(original equation) where q is a small fixed charge, Q being the large fixed...
  3. S

    Much greater than

    After getting through the set up and integration of this problem I am stuck on using the >> operator. My objective is to show what happens when r, a constant, is >> than a, another constant. The original equation: (1/r)-(1/(a + r) The intended restul: (1/r^2) My initial thought was that...
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