deletions | additions       diff --git a/a) Number of blits.tex b/a) Number of blits.tex  index 7e7e630..87b5867 100644  --- a/a) Number of blits.tex  +++ b/a) Number of blits.tex 
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Given that:  \begin{equation}  \begin{split}  T(2^n) &= \sum_{}(5 * 4^i, i \sum_{i  = 0, n-1)\\ 0}^{n-1} \left[5 * 4^i\right]\\  &= 5 sum(4^i, i = 0, n-1)\\  &= 5 * ((1 - 4^n)/(1 - 4))\\  &= (5 - 5 * 4^n)/(-3)\\