Can anyone help me with these..?!

1) 3i/2+5i

and...

2) square root of -2(square root of -9 - square root of 7)

i would appreicate it if you can reply asap.

P.S: only reply if u KNOW the answer...thanks.

Printable View

- January 22nd 2006, 12:22 PMMOODYtarqiWhat the?
Can anyone help me with these..?!

1) 3i/2+5i

and...

2) square root of -2(square root of -9 - square root of 7)

i would appreicate it if you can reply asap.

P.S: only reply if u KNOW the answer...thanks. - January 22nd 2006, 12:49 PMCaptainBlackQuote:

Originally Posted by**MOODYtarqi**

but I will presume you are asking for:

to be reduced to standard form .

Multiply the top and bottom by the complex conjugate of the bottom:

,

so:

.

RonL - January 22nd 2006, 12:51 PMMOODYtarqi
thanks man you're smart . . . or I'm an idiot.

appreciate it. - January 22nd 2006, 01:02 PMCaptainBlackQuote:

Originally Posted by**MOODYtarqi**

,

or:

.

I will assume that you mean the latter of these, then:

so:

RonL - January 22nd 2006, 01:04 PMMOODYtarqi
thanks again. but what if the tell me "write it in standard form?"

- January 22nd 2006, 01:10 PMCaptainBlackQuote:

Originally Posted by**MOODYtarqi**

RonL - January 22nd 2006, 01:12 PMMOODYtarqi
thanks man... have a Gday.