SOLUTION: In a+bi form, the reciprocal of 2+5i is A)2/29 - 5/29i B) -2/21 - 5/21i C)1/29 +5/29i D)2/21 - 5/21i

Algebra ->  Finance -> SOLUTION: In a+bi form, the reciprocal of 2+5i is A)2/29 - 5/29i B) -2/21 - 5/21i C)1/29 +5/29i D)2/21 - 5/21i       Log On


   

Question 1088872: In a+bi form, the reciprocal of 2+5i is
A)2/29 - 5/29i
B) -2/21 - 5/21i
C)1/29 +5/29i
D)2/21 - 5/21i
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
+%28+1%2F%28+2+%2B+5i+%29+%29%2A%28+%28+2+-+5i+%29+%2F+%28+2+-+5i+%29+%29+
+%28+1+%2F+%28+4+%2B+25+%29+%29%2A%28++2+-+5i+%29+
+2%2F29+-+%285%2F29%29%2Ai+
The answer is (A)