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Gelneren [198K]
3 years ago
14

Thirty-one books are arranged from left to right in order of increasing prices. The price of each book differs by $2 from that o

f each adjacent book. The price of the book at the extreme right is equal to the price of the middle book plus a book adjacent to the middle one. Give an expression for the cost of the $n$th book in terms of $n$
Mathematics
1 answer:
user100 [1]3 years ago
6 0
The answer for this problem is 2 since it is not specified whether it is adjacent to the right or adjacent to the left.
If it is adjacent to the right, the answer is:

p (k) = 2 * p(1) + 2 * k

If the is adjacent to the left, the answer is:

P (k) = 2 *p(1) +2 * (k-2)
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