$ b_3 = E\left(\frac34\right) = \frac34 - \frac{\left(\frac34\right)^4}4 = \frac34 - \frac811024 = \frac768 - 811024 = \frac6871024 $ - AMAZONAWS 📅 March 11, 2026 👤 scraface Mar 11, 2026