this is for holding javascript data
Dat Do edited beginproblem_a_You_a.tex
about 10 years ago
Commit id: a6cd0ec2bef4281628c6ccea651c4f782626ed0b
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diff --git a/beginproblem_a_You_a.tex b/beginproblem_a_You_a.tex
index 12b5ea9..f4a436e 100644
--- a/beginproblem_a_You_a.tex
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\textbf{Solution 1: }
(a) Since we are receiving one extra coupon for each consecutive
day, day: $1 + 2 + \ldots + k$, 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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