fyrozetasnem123 fyrozetasnem123
  • 21-01-2020
  • Mathematics
contestada

-3i^2(-4root+5)+i^3,in simplest a+bi form

Respuesta :

devishri1977
devishri1977 devishri1977
  • 21-01-2020

Answer:

Step-by-step explanation:

[tex]-3i^{2}(\sqrt{-4}+5)+i^{3}=-3*-1(i\sqrt{4}+5)+(-i)\\\\=-3(i\sqrt{4}+5)-i\\\\=-3*i\sqrt{4}+(-3)*5-i\\\\=-3i\sqrt{4}-15-i\\\\=-i(3\sqrt{4}+1)-15[/tex]

i^2 = -1

i^3 = -i

Answer Link

Otras preguntas

Prove the identity cot^2x/cscx+1=1-sinx/sinx
The fluoroquinolones, or quinolone drugs, are a group of antimicrobials that inhibit:
How does Frost use irregular blank verse to affect the language of his poem?
Perceptive listeners see music mainly as a mood enhancer. a. True b. False
Along a given downward-sloping demand curve, an increase in the price of a good will: have no effect on consumer surplus. increase consumer surplus. decrease pr
The length of a rectangle is two-fifths of its perimeter. if the width of the rectangle is 35 inches, what is its length in inches?
Which is an opinion? Yury Gagarin was the first man to orbit Earth. John Young flew on a space shuttle in 1981. Valentina Tereshkova was extraordinaril
use the babylonian method for your next estimate 130 by using 11.4022 as your guess. A. 11.3043 B. 11.4018 C. 11.6102 D. 16.1246
What is oxidized and what is reduced in this reaction? Cu(s) + 2AgNO3(aq) → Cu(NO3)2(aq) + 2Ag(s) Cu is reduced and Ag is oxidized. Ag is reduced and Cu is oxid
Which concept explains the rise of global stratification as including core nations, semi periphery nations, periphery nations, and external areas?