Maths ruinded my life...

[C4-Explosive]

Well, that would be convenient, but it doesn't work that way sorry.

Oops, your right, but this should work:

Y = sqrt(2x²+x) * x²
= sqrt(x^4(2x²+x))
= sqrt(2x^6 + x^5)

 

[Neutrino]

Oops, your right, but this should work:

Y = sqrt(2x²+x) * x²
= sqrt(x^4(2x²+x))
= sqrt(2x^6 + x^5)

Ya you're right, you could do it that way too.

 

[PvtRyan]

LOL, it looks like I kept you guys busy eh?

Neutrino has the right answer, although that 24,03 isn't completely correct but that could also be my fault.

My way:

Y = sqrt(2x²+x) * x² 

	f	g

f =sqrt(2x²+x)

f(u) = sqrt(u)

u = 2x² + x

u'= 4x + 1

f' = 1/(2sqrt(2x² + x) * 4x + 1

f' = 4x + 1/2sqrt(2x² + x) 

g = x²

g'= 2x

y'= f' x g + g' x f

y' = ((4x + 1)/(2sqrt(2x² + x))) * x²) + 2x * sqrt(2x² + x)

y = ax + b

a = y'(2) = ((4x + 1)/(2sqrt(2x² + x))) * x²) + 2x * sqrt(2x² + x) = 18,34121043

12,64 = 2*18,34 + b

b = -23,97931022

y = 18,34x - 23,98

 

[Neutrino]

LOL, it looks like I kept you guys busy eh?

Neutrino has the right answer, although that 24,03 isn't completely correct but that could also be my fault.

Ya, that 24.03 might be an approximation error.

Now if I was feeling particularly mean I'd ask you what the solution to 2xy'' + y' + xy = 0 was. That was a horrid problem I had on a test a bit ago.

 

[Dr_Noswad]

I don't think it's math who ruined your life, who ever taughted you English did a bad job.

u n00b! thats real English :hmph: not American English! And in England its MATHS not MATH

 

[KagePrototype]

u n00b! thats real English :hmph: not American English! And in England its MATHS not MATH

Yeah, but since when was "ruinded" a word? The correct term is "ruined".

 

[theneb]

Hah! I did this for my GCSE's. It was ace.
Personally I LOVE Maths, Then again I start my degree in maths in just 16 days.

 

[Wilco]

See, I like maths, but a Uni degree in it is plain insanity.

Did you do further maths at A level? I'm off to do applied maths, know as engineering

 

[SLH]

Can't remember exactly but i think i did up to Pure3, and Mechanics2 as well as another (can't remember).

 

[Dr_Noswad]

Yeah, but since when was "ruinded" a word? The correct term is "ruined".

ha my mistake :$ guess im the rl n00b

 

[KagePrototype]

See, I like maths, but a Uni degree in it is plain insanity.

Did you do further maths at A level? I'm off to do applied maths, know as engineering

A grand total of 2 people did Further Maths at my sixth form. I glanced in one of their text books and almost had a stroke.

 

[swatjosh]

Hello... Can anyone still help on the T total thing.. I got the coursework now in the UK. "Anyone for t" Please help.. anyone ???

 

[Tollbooth Willie]

Hooo lee shit.

This thread = peniiowned.

 

[PvtRyan]

Lol @ this thread. I saw I gave the answer to the problem on page 1 (edited it away) but I wouldnt know what the answer is anymore =/

 

[MiccyNarc]

Holy thread bump batman!

 

[lePobz]

I don't remember posting in this thread...

 

[JNightshade]

Lawl. Oldthread is oooooooold.