Continued from the previous question.How many litres of water in total has seeped into the cave after five days? (write the value only, units not required)简答题
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Question textConsider the following sequence for which three terms are shown:[math: p=3!1!+5!3!+7!5!+…]In general: [math: pi=(2i+1)!(2i−1)!=(2i)(2i+1)]What is the minimum number of terms required for p to be greater than 131,313? Answer 1 Question 2[input]Check Question 2
What is the sum of Series 2?
Question textConsider the following sequence for which three terms are shown:p=3!1!+5!3!+7!5!+…p=\frac{3!}{1!}+\frac{5!}{3!}+\frac{7!}{5!}+\dotsIn general: pi=(2i+1)!(2i−1)!=(2i)(2i+1)p_i=\frac{(2i+1)!}{(2i-1)!}=(2i)(2i+1)What is the minimum number of terms required for p to be greater than 131,313? Answer 1 Question 2[input]
Match the following: 1: 2 + 6 + 18 + ... 2: 5, 11, 17, ... 3: 4, 12, 36, .... 4: 3 + 7 + 11 + ....
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