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How is the sum expressed in sigma notation?
13 + 21 + 29 + 37 + 45

User Haleema
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1 Answer

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13~~ + ~~\stackrel{ 13+8 }{21~}~ + ~~\stackrel{ 21+8 }{29}~~ + ~~\stackrel{ 29+8 }{37}~~ + ~~\stackrel{ 37+8 }{45} \\\\[-0.35em] ~\dotfill\\\\ ~\hfill {\Large \begin{array}{llll} \displaystyle\sum_(i=0)^(4)~13+8i \end{array}}~\hfill

User Gotit
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