hjernigan hjernigan
  • 18-12-2015
  • Mathematics
contestada

Simplify the given expression below: (7 − 3i) • (2 − i)

Respuesta :

Jose8199 Jose8199
  • 03-07-2017
Foil it, 7 x 2, -3i x -i, 7 x -i, and -3i x 2. It would come to 14+3 i^2-7i-6i. i^2=-1, so it would be 14-3=11 and -7i-6i=-13i
The answer is 11-13i
Answer Link

Otras preguntas

what structure do the cells of a maple tree and the cells of a beetle have in common
Express the number of inches n (d) as a function of the number of yards d
Suppose that you hear a clap of thunder 16.2 s (seconds) after seeing the associated lightning stroke. The speed of sound waves in air is 343 m/s and the speed
what structure do the cells of a maple tree and the cells of a beetle have in common
Find the 168th term of arithmetic sequence {a_{n}, n = 1, 2, 3, . . .} with common ifference d = 1.5 and first term a_{1} = 2.
What are the next four multiples of the fraction 3/5?
Why are viruses not able to make their own proteins?
The model of the universe that suggests that the sun is the center of the universe was first brought by A. Brahe.B. Kepler.C. Ptolemy.D. Copernicus.Can also som
how did mountains hinder westward travel
what makes volcanoes violent?