[5 MINUTES] Need help with a simple Algebra problem.. PLEASE AND THANK YOU

• January 27th 2013, 07:53 AM
NeedHelpman
[5 MINUTES] Need help with a simple Algebra problem.. PLEASE AND THANK YOU
Write the expression in the standard form a+bi

1/2-5i
• January 27th 2013, 08:59 AM
a tutor
Re: [5 MINUTES] Need help with a simple Algebra problem.. PLEASE AND THANK YOU
It already is in that form.

a=1/2

b=-5.

Yes I know what you meant. $\frac{1}{2-5i}$

Multiply top and bottom by 2+5i.
• January 27th 2013, 09:01 AM
Plato
Re: [5 MINUTES] Need help with a simple Algebra problem.. PLEASE AND THANK YOU
Quote:

Originally Posted by NeedHelpman
Write the expression in the standard form a+bi
1/2-5i

$\frac{1}{z} = \frac{{\overline z }}{{\left| z \right|^2 }}$
• January 27th 2013, 09:54 AM
janvdl
Re: [5 MINUTES] Need help with a simple Algebra problem.. PLEASE AND THANK YOU
Quote:

Originally Posted by NeedHelpman
Write the expression in the standard form a+bi

1/2-5i

Don't spam your problem. It won't get you help any faster.