can someone please help with this problem involving complex numbers

Y=1/Z1+1/Z2+1/Z3

Z1= 2+j2,

Z2=1+j5 ,

Z3=j6

i cant figure out how to find Y, could someone please explain how to,or just point me in the right direction. I would be very grateful for any help on this??Thanks!!

Re: can someone please help with this problem involving complex numbers

Re: can someone please help with this problem involving complex numbers

could you please explain how you came to the answer?

Re: can someone please help with this problem involving complex numbers

Hello, rich1979!

We must rationalize those denominators.

n . . . .

n . . . .

Re: can someone please help with this problem involving complex numbers

I assumed j2, j5, j6 mean j^2, j^5, j^6

Re: can someone please help with this problem involving complex numbers

Thank for your help soroban.

Re: can someone please help with this problem involving complex numbers

maxjasper no j2 is a complex number.

Re: can someone please help with this problem involving complex numbers

Quote:

Originally Posted by

**rich1979** maxjasper no j2 is a complex number.

Ok, that means j2=a+b*i where i=sqrt(-1). We can write j5, j6 in similar manner and then simplify y:

Then we will have: