1-1/4+1/9-1/16+... (zeta function & eta function)

Eta function is the alternating version of the zeta function. We will figure out a connection between the Eta function and the Zeta function so we can evaluate 1-1/4+1/9-1/16+... Subscribe for more math for fun videos 👉 https://bit.ly/3o2fMNo Get a t-shirt: 👉 https://bit.ly/zetatshirt Check out the sum of reciprocals of squares, pi^2/6 by Max Z, https://youtu.be/m2o27s1cq8M pi^2/6 by Dr. P, https://youtu.be/erfJnEsr89w