Brilliant Mathematical Minds

[Sputnik]

hahaha! Got these in my email today. Not sure where they're from but they're funny!

[ragingfish]

those are friggen HI-LARIOUS!

[GMJAP]

Those are great! My fave has to be the limit one, with the "expand" coming a close second. PS - on the Limit ones, shouldn't the answers be negative infinity?Or does LIM x->5 inherently imply x approaches 5 from > 5? I'm getting rusty in my old age

[chemrebel]

Quote, originally posted by GMJAP »PS - on the Limit ones, shouldn't the answers be negative infinity?Or does LIM x->5 inherently imply x approaches 5 from > 5? I'm getting rusty in my old age oh man, i flunked out of calculus so i think i would have answered #3 the same way . i think i quit going to class after 3 weeks in to it. i was failing it anyway and the prof wasn't any help. i like the "expand" one too.

[Mavrik]

I'm so bad at math I don't even get it... haha six=6...

[joholste]

my favorite is the "here it is" in otherwords stop making me do stupid math equations.

[tcam]

Quote, originally posted by joholste »my favorite is the "here it is" in otherwords stop making me do stupid math equations.lol, yeah that was my fav. too

[TRDman]

Quote, originally posted by GMJAP »PS - on the Limit ones, shouldn't the answers be negative infinity?Or does LIM x->5 inherently imply x approaches 5 from > 5? I'm getting rusty in my old age Doesn't it include the approaches from both greater and less than 5? Anyway, those are good (although the first one took me a second).

[northvibe]

hahha these are good.the limit of x -> inf. should be from both sides, and since 1/x-8 can go to infi. its a positive inf.

[GMJAP]

Quote, originally posted by northvibe »hahha these are good.the limit of x -> inf. should be from both sides, and since 1/x-8 can go to infi. its a positive inf.It can't be from both sides, cause that would give two different answers.If x = 7.999999999.... then you have a large negative number, going to neg infinity as it gets closer to 8.if x = 8.000000...0001 then you have a large positive number, going to positive infinity as it gets cloer to 8.Where's a math major when you need one?!

[NascarXprt]

wow those are great!!! (removed)!Quote, originally posted by GMJAP »It can't be from both sides, cause that would give two different answers.If x = 7.999999999.... then you have a large negative number, going to neg infinity as it gets closer to 8.if x = 8.000000...0001 then you have a large positive number, going to positive infinity as it gets cloer to 8.hey stop doin all that math my head hurts just from reading that

[engineertwin2]

It's a hyperbole....So the answer is +/- infinity. However, ifyou want to get technical, infinity is a conceptual limit that has no sign value, so negative infinity is non-existent. We only use negative infinity for some of us to understand that it grows to the left of the zero...Better yet, some mathematicians theorize the number line isn't a line...rather like the earth it is round...which further supports the definition of infinity......hopefully that didn't kill the thread, although I'm sure it killed off any cool points I may have previously attained on this forum.

[joholste]

now see you just lost me i feel like a duck in the ocean..help i'm floundering in mathematical concept.