kyrito
kyrito
25-10-2019
Mathematics
contestada
find the square of the imaginary number 2i
Respuesta :
devishri1977
devishri1977
25-10-2019
Answer:
-4
Step-by-step explanation:
(2i)² = 2²*i² = 4 * -1 = -4
Answer Link
VER TODAS LAS RESPUESTAS ( 58+ )
Otras preguntas
Habitat destruction in ______ areas will cause many more extinctions per acre than the other terrestrial biomes.
10 question What is the slope of. the line that passes through the points(1,7),(10,1)?
Which expression can be used to find the sum of the polynomials?(9 – 3x2) + (–8x2 + 4x + 5)
what is 4567876543345678765434678976543456876543*7576575675675*09*6865676*0*565545552651273652135*5272526*62526535*526242534546*786743165461354*653654264*751*1*
A carpenter is making a brace for a chair. To do so she intersects two pieces of wood to make two sets of vertical angles. The obtuse angles formed are each 145
Why do you think this speech has become so famous? has king dream been realized? why or why not?
please help and explain why!
The line plot shows the daily high temperature in two cities over 10 days. Which conclusion can be drawn from the data? City 1 is generally much warmer than
What happens when oil is poured into water? How does this explain the saying “like dissolves like”
If i had to talk at a meeting for 2 minutes, how many paragraphs would i halve to write