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/sci/ - Science & Math

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Anonymous Fri Jun 21 13:53:46 2019 No.10742804 [Reply] [Original]

>topology exam
>don't know how to prove that two spaces are homeomorphic
>write "they are clearly homeomorphic"
>get full marks

>>	Anonymous Fri Jun 21 13:57:43 2019 No.10742808 >>10742804 Literally me except I'm just too lazy to prove it

>>	Anonymous Fri Jun 21 13:58:31 2019 No.10742811 >>10742804 >the proof is trivial

>>	Anonymous Fri Jun 21 13:59:36 2019 No.10742815 File: 18 KB, 368x285, 1558904962830.jpg [View same] [iqdb] [saucenao] [google] >>10742804 >calc3 curl/div exam >see girl crying >prof pats her back and walks her through the problem >walks to the front of the class >does the problem on the projector

>>	Anonymous Fri Jun 21 14:00:44 2019 No.10742819 Lin alg exam, Every proof is trivial if you're confident enough

>>	Anonymous Fri Jun 21 14:08:00 2019 No.10742836 >american literature exam >don't remember character names in the devil and tom walker >call them that guy, that other guy and his wife etc >get full marks

>>	Anonymous Fri Jun 21 17:25:06 2019 No.10743221 >>10742804 > Analysis on Manifold exam > dont know the deRham cohomology groups of some space > guess, claim thats it homotopic to a space I know the cohomology groups of > not sure how it turned out, never look at my exams

>>	Anonymous Fri Jun 21 17:27:01 2019 No.10743223 >>10742804 grade inflation at its finest

Anonymous Fri Jun 21 23:41:29 2019 No.10743973
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>stable homotopy exam
>question asks to compute the Adams spectral sequence [math]E_2^{s,t} = \operatorname{Ext}^{s,t}_{\mathcal{A}(1)}(\mathbb{Z}_2,\mathbb{Z}_2)[/math] of the trivial module [math]\mathbb{Z}_2[/math] over the Steenrod algebra [math]\mathcal{A}(1) = \mathcal{A}/\mathcal{E}(1)[/math]
>wrote "we know that [math]\mathcal{A}/\mathcal{E}(1) \cong H^*(ku)[/math]" and drew a bunch of [math]h_0[/math] towers in the Adams chart using Bott periodicity
>get 7/10
>prof drew a giant red circle around [math]\mathcal{A}/\mathcal{E}(1) \cong H^*(ku)[/math] and wrote "prove this! -3"
>mfw

Anonymous Fri Jun 21 23:52:54 2019 No.10743999

>group theory exam
>define the center Z of a group G and prove G mod Z is a normal subgroup isomorphic to the group of inner automorphisms
>have no clue what the center is
>define Z as the kernel of the canonical homomorphism from G to its inner automorphisms
>proof is trivial

>>	Anonymous Sat Jun 22 00:04:45 2019 No.10744013 >>10742804 >precalculus 1 exam >don’t know how to do law of cosines >derive law of cosines on the spot and pass with a cool C- to graduate highschool

>>	Anonymous Sat Jun 22 00:28:44 2019 No.10744054 >>10742815 wtfffff

>>	Anonymous Sat Jun 22 10:53:07 2019 No.10745060 ololo

Anonymous Sat Jun 22 12:19:05 2019 No.10745220

>>10742804
>Knot theory exam
>Have to find a triangulation of the two holed Torus
>Fuck, slice it into two one holed Tori each with boundary
>Know the triangulations for those
>Try to glue it together
>Didn't work
>Fail the exam
>Curve ends up a B

Man am I glad homework and final project are like 85% of my grade

>>	Anonymous Sat Jun 22 12:33:02 2019 No.10745245 >>10743221 I actually get really anxious reading prpfessors/graders comments on my tests so I literally just look at the grade and don't look at any marks or comments.

>>	Anonymous Sat Jun 22 12:41:10 2019 No.10745255 >>10745220 Should've glued them along one of the triangles.

>>	Anonymous Sat Jun 22 12:48:54 2019 No.10745273 >>10742815 lol literally same thing happened in one of my classes so the professor did the first 3/4 of the problem out on the board

Anonymous Sat Jun 22 12:54:53 2019 No.10745295

> anatomy exam
> static problem which is just applied lever principle
> tfw i fuck it up because i haven't slept in 3 days due to memorizing every bone and muscle
> calculate 81000 N instead of 2100 N of force for the muscle
> realize my mistake after the exam
> grader crosses out my number and writes the full answer and gives me all points

>>	Anonymous Sat Jun 22 13:15:55 2019 No.10745327 >>10742815 >>10745273 the world is doomed

>>	Anonymous Sat Jun 22 13:39:09 2019 No.10745380 >>10745327 academia is a sham and such acts should be welcomed faggot

>>	Anonymous Sat Jun 22 13:40:33 2019 No.10745386 >>10742815 This makes me angry.

>>	Anonymous Sat Jun 22 13:41:42 2019 No.10745390 >>10745380 >caring about learning when you can use having a degree to feel better than others

Anonymous Sat Jun 22 13:42:21 2019 No.10745392
File: 72 KB, 750x715, elon_what.jpg [View same] [iqdb] [saucenao] [google]

>Linear algebra exam
>Show up early to study
>Write notes and work out examples on the board
>The rest of the class and the professor shows up
>We start the exam
>MRW the professor never looked at the board and left all of my notes there for all to see

>>	Anonymous Sat Jun 22 13:47:49 2019 No.10745409 >>10742804 >professor was just afraid of being homophobic >>10745392 That kind of thing sucks. You want a fair exam but everyone will hate you for it.

>>	Anonymous Sat Jun 22 14:58:13 2019 No.10745540 >>10745255 That's what I did, but I had to make more identifications than I did

>>	Anonymous Sat Jun 22 15:10:58 2019 No.10745562 >>10745540 You did check if the Euler characteristic was correct, right?

>>	Anonymous Sat Jun 22 15:16:50 2019 No.10745571 File: 355 KB, 599x291, hags_kek.png [View same] [iqdb] [saucenao] [google] >>10745540 >he didn't check the consistency of Pachner moves with the gluing

>>	Anonymous Sat Jun 22 15:35:39 2019 No.10745599 >>10745562 Yep, that was another part of the problem that I (somehow) got right >>10745571 My nigga I learned how to triangulate things like that morning, I ain't even mad

>>	Anonymous Sat Jun 22 16:56:26 2019 No.10745807 >>10745409 >You want a fair exam but everyone will hate you for it. I was fine with it there, it was useful to me. I quizzed some classmates after the exam and it seemed like very few noticed it.

>>	Anonymous Sat Jun 22 18:07:17 2019 No.10746005 >>10742804 >Focused intensely on the final project >Do all the extra shit to get more points >Work 24 hrs straight >Completely forgot about the final exam I'm an idiot

>>	Anonymous Sat Jun 22 18:12:15 2019 No.10746019 File: 186 KB, 1132x742, Capture.png [View same] [iqdb] [saucenao] [google] >>10746005 At Least I know the insides and outs of GPS now

Anonymous Sat Jun 22 19:35:43 2019 No.10746215

>>10745245
But the grade is literally the least informative part. Odds are it was thrown together a few hours before you got the tests back in order to get the distribution the uni wants, whereas the grader probably took time to make these comments.
As a TA this makes me really mad.

>>	Anonymous Sat Jun 22 19:42:57 2019 No.10746235 >>10743999 kek that's amazing

>>	Anonymous Sat Jun 22 19:48:29 2019 No.10746250 >>10743999 >G mod Z is a normal subgroup WHAT THE FUCK DID YOU SMOKE

>>	Anonymous Sat Jun 22 20:12:28 2019 No.10746306 >>10742804 >topology exam >don't know how to prove that two spaces are homeomorphic >write "the proof is left as an exercise to the reader" >get full marks

>>	Anonymous Sat Jun 22 23:12:20 2019 No.10746757 >>10746306 xDDDDDDDDDDDDDD

>>	Anonymous Sat Jun 22 23:14:51 2019 No.10746765 >>10742815 tests are immoral anyway :p I have some ideas of how things could be done otherwisely

>>	Anonymous Sun Jun 23 02:17:53 2019 No.10747154 >>10746765 Please enlighten us

>>	Anonymous Sun Jun 23 02:27:06 2019 No.10747166 >>10742815 that did not happen

Anonymous Sun Jun 23 09:56:20 2019 No.10748017
File: 19 KB, 474x461, based_frogposter.jpg [View same] [iqdb] [saucenao] [google]

>>10742804
>Graph theory exam
>Prove that a graph is not planar
>'It clearly is not planar, as it has K5 as a minor'
>didn't even study graph minors
>have no idea what they are, just randomly came across them while browsing wikipedia
>get full marks

>>	Anonymous Sun Jun 23 09:59:08 2019 No.10748026 >>10748017 based

>>	Anonymous Sun Jun 23 10:20:38 2019 No.10748055 >>10742811 Are you a newfag?

>>	Anonymous Sun Jun 23 10:22:15 2019 No.10748060 >>10742815 >>prof pats her back Did he get accused of sexual assault?

>>	Anonymous Sun Jun 23 10:27:14 2019 No.10748072 I remember taking a biology test and I didn’t understand the last question so I just imagined some random shit and got full marks

>>	Anonymous Sun Jun 23 11:29:53 2019 No.10748197 >>10748060 Only if she fails.

>>	Anonymous Sun Jun 23 12:19:03 2019 No.10748305 >>10748017 ok now this is epic

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