Use the idea presented in Fig. 2.11 to design a weighted summer that provides vO = 2v1
Chapter 2, Problem 2.8(choose chapter or problem)
Use the idea presented in Fig. 2.11 to design a weighted summer that provides vO = 2v1 +v2 4v3
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer