this is for holding javascript data
Dat Do edited beginproblem_a_You_a.tex
about 10 years ago
Commit id: f61f6cccb575dbe4567ee7b8a17db4ffb7d69fe8
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diff --git a/beginproblem_a_You_a.tex b/beginproblem_a_You_a.tex
index 9609ef5..e31ca88 100644
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\textbf{Solution 1: }
(a) Since we are receiving one extra coupon for each consecutive day: $1 + 2 + \ldots +
k-1 {k-1} + k$, the total coupons received for $k$ days can be represented as $\sum\limits_{i=1}^k i$ = $\frac{k(k+1)}{2}$
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