MarkeseD381767 MarkeseD381767

30-10-2022
Mathematics

contestada

Find the product of −4−5i and its conjugate. The answer is a+bi where

Find the product of 45i and its conjugate The answer is abi where class=

Respuesta :

NishthaQ34531 NishthaQ34531

30-10-2022

Answer:

a = 41

b = 0

Explanation:

Given

-4 - 5i

The conjugate is:

-4 + 5i

Their product is:

(-4 - 5i)(-4 + 5i) = (-4)(-4) + (-4)(5i) - (5i)(-4) - (5i)(5i)

= 16 - 20i + 20i + 25

= 16 + 25

= 41

OR

41 + 0i

Where a = 41, b = 0

Answer Link

Otras preguntas

How much heat is released when 15.7g of methane (c2h6) is combusted if the enthalpy of the reaction is - 1560.7 kj

Suppose you have a monthly entertainment budget that you use to rent movies and purchase CDs. You currently use your income to rent 5 movies per month at a cost

Help meeeeeeee (192 is mistake)

In the laboratory, a general chemistry student measured the pH of a 0.367 M aqueous solution of isoquinoline, C9H7N to be 9.468. Use the information she obtaine

what is the standard notation of 2.934x10^8

Moped, Inc. purchased machinery at a cost of $44,000 on January 1, 2020. The expected useful life is 5 years and the asset is expected to have salvage value of

The genetic disease in which (1) the 23rd pair of chromosomes is always involved, (2) there are always two chromosomes that comprise the 23rd pair, and (3) ther

A company issues bonds with a $100,000 par value, an 8% annual contract rate, semiannual interest payments, and a five year life. The bonds sold for $107,850. T

The equation of a circle is (x - 4)2 + (y + 3)2 = 9. What are the coordinates of the center of this circle? . (4, -3) • (-4,-3) . (4,3) • (-4, 3)

Cultural differences can make it difficulty to determine what is ethical and is not ethical between cultures,except when it comes to the use of computers, where