Mathematics, 03.07.2019 21:30 dudedan05
Ineed with simplifying this fraction!
Answers: 1
![\bf \stackrel{\textit{let's recall that}}{i^2=-1\qquad \qquad i^4=1} \\\\[-0.35em] ~\dotfill\\\\ \cfrac{3}{i^{23}}\implies \cfrac{3}{i^{20+2+1}}\implies \cfrac{3}{i^{20}i^2 i}\implies \cfrac{3}{i^{4\cdot 5}i^2 i}\implies \cfrac{3}{(i^4)^5 i^2 i}\implies \cfrac{3}{(1)^5(-1)i} \\\\\\ \cfrac{3}{-i}~\hspace{7em}\stackrel{\textit{and if we rationalize the denominator}}{\cfrac{3}{-i}\cdot \cfrac{i}{i}\implies \cfrac{3i}{-i^2}\implies \cfrac{3i}{-(-1)}}\implies 3i](/tpl/images/0047/8202/d4312.png)
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 15:00, payshencec21
Find the balance at the end of 4 years if 1000 is deposited at the rate of
Answers: 2
Mathematics, 21.06.2019 19:10, KariSupreme
At a kentucky friend chicken, a survey showed 2/3 of all people preferred skinless chicken over the regular chicken. if 2,400 people responded to the survey, how many people preferred regular chicken?
Answers: 1
Mathematics, 21.06.2019 22:00, dorothybean
Describe how you can act financially responsible.
Answers: 1
Mathematics, 21.06.2019 22:30, jakails359
Atotal of 766 tickets were sold for the school play. they were either adult tickets or student tickets. there were 66 more student tickets sold than adult tickets. how many adult tickets were sold?
Answers: 1
You know the right answer?
Ineed with simplifying this fraction!...
Questions in other subjects:
Mathematics, 07.12.2020 02:10
Mathematics, 07.12.2020 02:10
English, 07.12.2020 02:10
Mathematics, 07.12.2020 02:10
