If 1/(3 - 4i) = a + bi, then b = 7/25 ??????
T thegersters New member Joined Sep 26, 2005 Messages 18 Dec 1, 2005 #1 If 1/(3 - 4i) = a + bi, then b = 7/25 ??????
pka Elite Member Joined Jan 29, 2005 Messages 11,971 Dec 1, 2005 #2 \(\displaystyle \L \frac{1}{{3 - 4i}} = \frac{1}{{3 - 4i}}\frac{{3 + 4i}}{{3 + 4i}} = \frac{{3 + 4i}}{{25}}\)
\(\displaystyle \L \frac{1}{{3 - 4i}} = \frac{1}{{3 - 4i}}\frac{{3 + 4i}}{{3 + 4i}} = \frac{{3 + 4i}}{{25}}\)
stapel Super Moderator Staff member Joined Feb 4, 2004 Messages 16,583 Dec 1, 2005 #4 Please read pka's post, wherein you were given the answer. Thank you. :roll: Eliz.