deletions | additions       diff --git a/a) Complexity.tex b/a) Complexity.tex  index 58c7661..4095896 100644  --- a/a) Complexity.tex  +++ b/a) Complexity.tex 
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\begin{subequations}  \begin{align*}  T(n) &= c_1 + \sum_{i = 0}^{n-2} T(i) + T(n-1)\\  &= 2(c_1 + \sum_{i = 0}^{n-1} T(i))\\  &= 2(c_1 + \sum_{i = 0}^{n-2} T(i)) T(n-1)  = 2T(n-1) \end{align*}  \end{subequations}