2.2vtec

07-27-2003, 12:06 PM

Is logx^2 equal to x plus logx??? If so why????

Thanks in advance!!

Thanks in advance!!

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2.2vtec

07-27-2003, 12:06 PM

Is logx^2 equal to x plus logx??? If so why????

Thanks in advance!!

Thanks in advance!!

Super_Geo

07-27-2003, 12:14 PM

Do you mean

log(x^2) or (log x)^2 ?

log(x^2) or (log x)^2 ?

Super_Geo

07-27-2003, 12:20 PM

Well, assuming the first one. No, it's not

log(x^2) = 2 log(x)

x + log(x) = log(x) + log(x)

x = log(x)

so it's not true.

log(x^2) = 2 log(x)

x + log(x) = log(x) + log(x)

x = log(x)

so it's not true.

Super_Geo

07-27-2003, 12:24 PM

The second one is not true either.

V6-BoI

07-27-2003, 12:26 PM

Originally posted by Super_Geo

Well, assuming the first one. No, it's not

log(x^2) = 2 log(x)

x + log(x) = log(x) + log(x)

x = log(x)

so it's not true.

wait a minute, I think one of your steps doesn't sense,

x + log(x) = log(x) + log(x)?

Well, assuming the first one. No, it's not

log(x^2) = 2 log(x)

x + log(x) = log(x) + log(x)

x = log(x)

so it's not true.

wait a minute, I think one of your steps doesn't sense,

x + log(x) = log(x) + log(x)?

Super_Geo

07-27-2003, 12:28 PM

Originally posted by V6-BoI

wait a minute, I think one of your steps doesn't sense,

x + log(x) = log(x) + log(x)?

"x + log(x)" is what you're leaving on the left side to see if it equals the right side, which has become "log(x) + log(x)"

So really, I should have put:

x + log(x) ?= log(x) + log(x)

Oops

wait a minute, I think one of your steps doesn't sense,

x + log(x) = log(x) + log(x)?

"x + log(x)" is what you're leaving on the left side to see if it equals the right side, which has become "log(x) + log(x)"

So really, I should have put:

x + log(x) ?= log(x) + log(x)

Oops

2.2vtec

07-27-2003, 12:30 PM

actually I made a mistake in the question...

the question is:

Is logx^2= log x +log x an identity??? let me know why or why not...

thanks

the question is:

Is logx^2= log x +log x an identity??? let me know why or why not...

thanks

V6-BoI

07-27-2003, 12:31 PM

Oh ok I see I see

So yeah what Super_Geo says, the statement is false.

So yeah what Super_Geo says, the statement is false.

Super_Geo

07-27-2003, 05:09 PM

Yes, it is an identity.

log(x^2) = 2 log(x) = log(X) + log(x)

log(x^2) = 2 log(x) = log(X) + log(x)

Seanith

07-27-2003, 06:30 PM

yeah its true like super_geo said :)

EstoMax

07-27-2003, 07:50 PM

why are you doing math during summer!

you are reminding me of school

aaaaaaaa :banghead: :banghead:

:)

summer class at college eh?

max

you are reminding me of school

aaaaaaaa :banghead: :banghead:

:)

summer class at college eh?

max

V6-BoI

07-27-2003, 08:08 PM

Originally posted by EstoMax

why are you doing math during summer!

you are reminding me of school

aaaaaaaa :banghead: :banghead:

:)

summer class at college eh?

max

Yeah I'm taking a descrete math course right now at the U, and it sucks ass, took me and 7 others 15 hours to do a friking assignment.

why are you doing math during summer!

you are reminding me of school

aaaaaaaa :banghead: :banghead:

:)

summer class at college eh?

max

Yeah I'm taking a descrete math course right now at the U, and it sucks ass, took me and 7 others 15 hours to do a friking assignment.

rice_eater

07-27-2003, 08:44 PM

if it was all like this then you're gonna have a tough time in university math...this shit is very basic IMO

Blue Devil 2

07-27-2003, 09:13 PM

Originally posted by EstoMax

why are you doing math during summer!

you are reminding me of school

aaaaaaaa :banghead: :banghead:

:)

summer class at college eh?

max

he does this shit for fun :(

why are you doing math during summer!

you are reminding me of school

aaaaaaaa :banghead: :banghead:

:)

summer class at college eh?

max

he does this shit for fun :(

Seanith

07-27-2003, 09:15 PM

hes a math nazi, but sucks at it :(

tommy1223

07-27-2003, 09:25 PM

MATH IS HORRIBLE!! IT'S EVIL!!!

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