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 20:20, kenken2583
Complete the input-output table for the linear function y = 3x. complete the input-output table for the linear function y = 3x. a = b = c =
Answers: 2
Mathematics, 22.06.2019 00:00, xojade
Maci and i are making a small kite. two sides are 10". two sides are 5". the shorter diagonal is 6". round all your answers to the nearest tenth. 1. what is the distance from the peak of the kite to the intersection of the diagonals? 2. what is the distance from intersection of the diagonals to the top of the tail? 3. what is the length of the longer diagonal?
Answers: 3
Mathematics, 22.06.2019 01:30, justsuz72p71a21
Given the functions, f(x) = 2x^2 - 1 and g(x) = 5x, find f(g(x)) and g(f(
Answers: 2
Do you know the correct answer?
Ineed with simplifying this fraction!...
Questions in other subjects:
Chemistry, 05.06.2021 22:50
Mathematics, 05.06.2021 22:50
Spanish, 05.06.2021 22:50
English, 05.06.2021 22:50
