小喵 🐈 => YSITD: S * r = a0 * r + a0 * r^2 + ... + ak * r^(k + 1) + ... + an * r^(n + 1) #5db3d9d87121c5b6f4f114de

小喵 🐈 says to YSITD

S * r = a0 * r + a0 * r^2 + ... + ak * r^(k + 1) + ... + an * r^(n + 1)

at Sat, Oct 26, 2019 1:29 PM