smithaj smithaj

24-08-2020
Mathematics

contestada

multiply:

(-4 + i)(-1 + 5i)

Respuesta :

MissShyShy MissShyShy

24-08-2020

Answer:

[tex]( - 4 + i) ( - 1 + 5i) \\ = 4 - 20i - 1i + 5 {i}^{2} \\ = 4 - ( -21i )+ 5i {}^{2} [/tex]

Answer Link

Otras preguntas

each student on the trip to cooperstown paid the same amount .the tottal amount collected was $589.pilar paid for her ticket using exactly three bils . how much

sam is 3 times as old as Rob. If 15 is subtracted from Sam's age and 13 is added to Rob's age, their ages will be equal. How old is each now?

An elderly resident in a long-term care facility asks the nurse, "What is it like to die?" The nurse's best response would be: a. "You're healthy, you don't wa

Equation practice with angle addition

For your sibling’s birthday, you want to buy them a sweatshirt that costs $29.99. The sweatshirt is on sale for $5 off. The sales tax is $0.75. What is the t

PLEASE HELP I HAVE A MIGRAINE 20 POINTS AND BRAINIEST!!!! Use the internet or the newspaper to find a current instance of conflict or cooperation. Explain the r

Calculate the density of an object with a mass of 6.147 and a volume of 9.3 (include units)

A unit rate is a rate with a

what is an electron?

SOMEBODY HELP ME PLEASE I NEED ONLY LETTER OF THE ANSWER. NO EXPLANATION