morganturgeon morganturgeon

27-12-2018
Mathematics

contestada

Simplify the given expression below (1+2i) times (5-3i)

Respuesta :

Аноним Аноним

27-12-2018

Answer:

11 + 7i

Step-by-step explanation:

(1 + 2i)(5 - 3i)

= 1(5 - 3i) + 2i(5 - 3i)

= 5 - 3i + 10i - 6i^2

Note i^2 = -1 So we have:-

5 + 7i + 6

= 11 + 7i (answer).

Answer Link

Otras preguntas

Selma operates a contractor’s supply store. She maintains her books using the cash method. At the end of the year, her accountant computes her accrual basis inc

Read the excerpt from the Supreme Court’s ruling in Plessy v. Ferguson. . . . requiring the officer of the passenger train to assign each passenger to the coach

Factor completely 169x2 − 64.

You are given an aqueous solution and are asked to analyze it for the presence (or absence) of Ag+(aq), Ca2+(aq), and/or Hg2+(aq) ions. There are no other metal

Suppose that a worker in Cornland can grow either 40 bushels of corn or 10 bushels of oats per year, and a worker in Oatland can grow either 5 bushels of corn o

Packard Corporation reported pretax book income of $500,000. Included in the computation were favorable temporary differences of $10,000, unfavorable temporary

The standard qwerty keyboard has 47 keys that can place characters on the screen. Each of these keys can also display a second character by holding the shift ke

Describe a device that would allow you to measure the acidity of rain. How would that design work, and what would it look like? Please I really need the answe

Read the following excerpt from Gandhi’s “Quit India” speech of August 1942: There are people who have hatred in their hearts for the British. I have heard of

Which action of a breastfeeding mother indicates understanding of instructions about breastfeeding? a. Holds breast with four fingers along bottom and thumb at