+0

# If $(a_1,a_2,\ldots,a_{17})$ satisfy \begin{align*} a_1 + a_2 + a_3 &= 1, \\ a_2 + a_3 + a_4 &= 2, \\ a_3 + a_4 + a_5 &=

0
396
1
+16

If $(a_1,a_2,\ldots,a_{17})$ satisfy \begin{align*} a_1 + a_2 + a_3 &= 1, \\ a_2 + a_3 + a_4 &= 2, \\ a_3 + a_4 + a_5 &= 3, \\ &~~\vdots \\ a_{15} + a_{16} + a_{17} &= 15, \\ a_{16} + a_{17} + a_{1} &= 16, \\ a_{17} + a_{1} + a_{2} &= 17, \end{align*} what is the value of $a_{17}$?

Nov 27, 2018

#1
+107514
+2

Copy all the stuff between the dollar signs.

Open the latex box that you can see in the ribbon.

Paste it in there and press ok.

That should do it.

Nov 27, 2018