Ask Your Question

Revision history [back]

click to hide/show revision 1
initial version

How can I calculate this sum? (accept both sage(cocalc) and by hand)

How can I calculate this sum?

1/1-(x+x^2)^2

  • This is the sum of infinity formula : a/1-r, while a=1 and r=(x+x^2)^2 Please also confirm if my formula is right.