jr06adriana
jr06adriana jr06adriana
  • 16-09-2022
  • Mathematics
contestada

below
(3 - i)(3 + 1) =

Respuesta :

ashish4112119
ashish4112119 ashish4112119
  • 16-09-2022

Answer:

12-4i

Step-by-step explanation:

i means √-1

(3 - i)(3 + 1) =

3*3=9

3*1=3

-i*3= -3i

-i*1 = -i

9+3-3i-i=

12-4i <--- answer

(3 - i)(3 + i) =

3*3=9

3*i=3i

-i*3= -3i

-i*i = -(√-1)*(√-1) = -(-1) = 1

9+3i-3i+1 =

10 <--- answer

Answer Link

Otras preguntas

What other information do you need in order to prove the triangles congruent using the SAS congruence postulate
5 questions. Please help! 1.) Which expression is equal to 2x/x+2 - x-3/x+5? 2.) Which expression is equal to (c^2-4)/(6c^4+15c^3)/(c^2+4c+4)/(12c^3+30c^2)? 3.)
Find the mean for the given set of data. -4, -3, -1, -1, 0, 1 a)-1 b)-1 and 1/3 c)-3/4
how did samurai warriors weaken japans imperial government
37/8 as a mixed number
What is the solution of the system of equations? x – 2y = 4 –3x + 6y = 12 A. infinitely many solutions B. no solution C. (–2, 4) D. (0, –2)
what is a self-sufficient community and why was it necessary during middle ages?
Someone help me with this pls i will give brainliest
why is a market or mixed economy is the best match for the United States.
Is 55/100 greater than 3/4