deletions | additions       diff --git a/c) Imposing a restriction.tex b/c) Imposing a restriction.tex  index af6d957..5acc73e 100644  --- a/c) Imposing a restriction.tex  +++ b/c) Imposing a restriction.tex 
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\delta(x,i) &= min\left[ i, \ceil{\frac{x}{c}} \right]\\  A_1 &= \sum_{k=1}^{\delta(x,i)}\Big[ 2(k - 1) \Big]\\  A_2 &= \Big( 2\delta(x,i) - 1 \Big)\Big( i-\delta(x,i) \Big)\\  &= 2\delta(x,i)i 2i\delta(x,i)  + \delta(x,i) - 2\delta(x,i)^2 - i\\ T(i,x) &= A_1 + A_2  \end{align*}  \end{subequations}