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not it isn't.
it is equal to -sqrt(-a)(-b)

no it is equal to -1*squrt(a)(b)

yes, that is the same as what I wrote. (-a)(-b)=(a)(b)

you can do all the arithmetic functions within the square roots. sqrt(20) = sqrt((4)(5))

sqrt(9) = sqrt(5+4)

sqrt(9) is NOT equal to sqrt(4)+sqrt(5)

hey actually i saw this, when iam reading abt complex numbers

if is so...then y sqrt(-a)*sqrt(-b) is not equal to sqrt(-a)(-b)....

sqrt(number) is also a number. you must treat sqrt(number) as a number.

you first evaluate the sqrt(4) and THEN do the multiplication. so sqrt(4) X sqrt(4) = 2 X 2 = 4.

iam clear upto the part...that...sqrt(-a)*sqrt(-b) is equal to -1*sqrt(a)*sqrt(b)....am i right ?

yes exactly ur right...i agree with u completely..infact thats what i was saying u right ?

no, you were saying that you cannot perform multiplication within square roots, which you can.

wait wait...

I think agian v cam to first...

then what abt "-" sign...so u mean to say -sqrt(a*b) is equal to sqrt(-a*-b) ?

r u a math student ?....where r u from ?

google sqrt(-1*-4) and see what the answer is
google sqrt(-1) * sqrt(-4) and see what the answer is.

do it now and you will see what I am talking about.

ok i ll do it..

just copy and paste what I typed there into google and press enter. google has a built in calculator

no, i'm not a math student. I am from India.

answer is 2, -2

for ur 2 equations

ya i got it..

okay great. cheers!

r u an engineering student ? ....math is ur favorite subject ?

what about you?

oh okay. which university?

JNTU,Kukatpally...do u know it ?

okay...North Carolina State University (NCSU), Raleigh....do u know abt it ?

ya Chennai Consulate..

okay, well all the best.

from which university did u graduated ?

USC

ok
so ur in Cali now ?

yeah. I live in Orange County.

ohh cool

actually, I have to move to san francisco by next month.

y so ?..r u working ?

yes. As I said, I graduated last year.

okkkk

which branch r u ?...whats ur major ?

I did computer engineering. did thesis on wireless networking.

ok

basically r u a telugu guy ?

yes.

ok

But I haven't lived in Andhra for more than 2 years.

ohhh...where u used to stay ? atleast do u know telugu r not ?

I speak telugu, tamil and hindi fluently.

ur not sleeping by this time ?

what about you? how long have you stayed in hyderabad?

oh good. that will come in handy here. everyone assumes you know hindi.

hey really thanks...whats ur name ?...dont scold me as iam asking at last ...

I'm aditya. and i already know yours.

thanks...

bye now.

hey bye bye...