Math Is Fun Forum

shivusuja

Member

Registered: 2006-09-14

Posts: 56

complex number

Please help me out with the below 2 sums:

             m        m
1.  If (1+i)  ÷ {1-i)  =1, then find the least integral value of m.

2.  Find the number of non-zero integral solutions
                                 x    x
of the equation mod(1-i)  = 2

Thanks

bossk171

Member

Registered: 2007-07-16

Posts: 305

Re: complex number

.

So, when does i^m = 1? When m = 4k (k is an integer)

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There are 10 types of people in the world, those who understand binary, those who don't, and those who can use induction.