- Simplify (1+2i)-(-2-2i)?

Discover Questions

How do you plot the the seventh root of unity? what does it look like on a unit circle like the one in the attachment? Instant velocity when t=0 and t=1 when x=t^2+4t-2t^5/2 for t>0. Acceleration and average velocity at t=0 and t=1? Moving left or right? Find the lowest perfect squared number that is divisible by 12 18 20 and 24? Compare the conductivity of solid chloride and a .5 percent solution of sodium chloride? What piece of equipment is needed to identify a strong electrolyte in solution?