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([13],[0])+([13],[1])+([13],[2])+([13],[3])+([13],[4])+([13],[5])+([13],[6])

(130)+(131)+(132)+(133)+(134)+(135)+(136) \left(\begin{array}{c}13 \\ 0\end{array}\right)+\left(\begin{array}{c}13 \\ 1\end{array}\right)+\left(\begin{array}{c}13 \\ 2\end{array}\right)+\left(\begin{array}{c}13 \\ 3\end{array}\right)+\left(\begin{array}{c}13 \\ 4\end{array}\right)+\left(\begin{array}{c}13 \\ 5\end{array}\right)+\left(\begin{array}{c}13 \\ 6\end{array}\right)

Full solution

Q. (130)+(131)+(132)+(133)+(134)+(135)+(136) \left(\begin{array}{c}13 \\ 0\end{array}\right)+\left(\begin{array}{c}13 \\ 1\end{array}\right)+\left(\begin{array}{c}13 \\ 2\end{array}\right)+\left(\begin{array}{c}13 \\ 3\end{array}\right)+\left(\begin{array}{c}13 \\ 4\end{array}\right)+\left(\begin{array}{c}13 \\ 5\end{array}\right)+\left(\begin{array}{c}13 \\ 6\end{array}\right)
  1. Understand the problem: Understand the problem.\newlineWe are given a series of tuples to add together. Each tuple consists of two elements, where the first element is the number 1313 and the second element is a number ranging from 00 to 66. To add tuples, we add the corresponding elements of each tuple together.
  2. Add first elements: Add the first elements of each tuple.\newlineSince the first element of each tuple is 1313, we will add 1313 to itself seven times (because there are seven tuples).\newline13+13+13+13+13+13+1313 + 13 + 13 + 13 + 13 + 13 + 13\newlineThis is equivalent to multiplying 1313 by 77.\newline13×7=9113 \times 7 = 91
  3. Add second elements: Add the second elements of each tuple.\newlineThe second elements of the tuples are the numbers from 00 to 66. We will add these numbers together.\newline0+1+2+3+4+5+60 + 1 + 2 + 3 + 4 + 5 + 6\newlineThis is a sum of an arithmetic series with the first term a1=0a_1 = 0, the last term an=6a_n = 6, and the number of terms n=7n = 7.\newlineThe sum of this series is given by the formula: Sn=n2(a1+an)S_n = \frac{n}{2} * (a_1 + a_n)\newlineS7=72(0+6)=726=21S_7 = \frac{7}{2} * (0 + 6) = \frac{7}{2} * 6 = 21
  4. Combine sums: Combine the sums to form the final tuple.\newlineThe sum of the first elements is 9191, and the sum of the second elements is 2121. We combine these sums to form the final tuple.\newlineFinal tuple = (91,21)(91, 21)

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