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| 1. |
The value of sum_(k=0)^(7) [ (({:(k),(k):}))/(({:(14),(k)):})sum_(r=k)^(14) ({:(r),(k):})({:(14),(r):})], where ({:(n),(r):}) denotes ""^(n) C_(r) , is |
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Answer» `6^(7)` |
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