When I was a kid, we used to sum two numbers, now when I'm older, we sum letters.

1 decade ago
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I know that feel...

1 decade ago
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I used to know how to do these things. Sadly I've forgotten.

1 decade ago
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same here

1 decade ago
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Same here :) Which prooves that this knowledge was useless for me ;)

1 decade ago
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I'd probably remember how to solve all but the matrix question as I've never been taught matrices even though I had advanced mathematics courses in high school. So far only one math course in the university and it was mostly logic stuff.

1 decade ago
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This would prove to be a fun way for SG to do your homework, except for itstoohard requires the answers in advance. I'll pass, tho.

1 decade ago
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number 1 isn't instantaneous rate of change?

1 decade ago
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Shhh, you're leaking the answer.

Well, try different wordings.

1 decade ago
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noooouuuuu!

1 decade ago
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LOLOLOLOLOLOL <3

1 decade ago
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Opps, almost forgot you hate Maths.

1 decade ago
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I either don't understand your handwriting, or question 4 is broken.

1 decade ago
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Did you input a number?

In short, it's called a det.

1 decade ago
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I know what a determinant is. Am I reading it right?
9 6 7
3 4 9
1 2 3

1 decade ago
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5 6 7
3 4 5
1 2 3

1 decade ago
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Much better. Thank you!

1 decade ago
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Might just be a 5, not a 9 for both cases.

1 decade ago
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And it's a 45 in question 2, not 49 ...

1 decade ago
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How did you manage to read 5 as 9?

1 decade ago
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How did you manage to write 5 as 9?

1 decade ago
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I used to solve these questions on the engineering school, but then I took an... aww I'm too old for this sh*t.

1 decade ago
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Hmm, I guess I'll have to take a look at this one after my quiz. ;)

1 decade ago
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What the hell has happened to the wording of question 1?!

EDIT: Also, the definition is incorrect because there is no delta x in the second brackets... It must be f(delta x + x) - f(x) in the numerator

1 decade ago
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+1

1 decade ago
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Oh shit, better fix that error.

1 decade ago
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I cant find the format of Q1...

1 decade ago
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It is probably incorrect wording

1 decade ago
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I was wondering how long it would take for you to come up with a maths quiz :D

Sadly I have lost the arcane knowledge needed to solve these riddles.

1 decade ago
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Q1, the form should be: <word> from first Principles

Q3, what should be the precision (as this is an irrational number, imo)

Q5, what letter(s) should we use for integration constant(s)?

1 decade ago
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Shit, Q3 is fucked up.

1 decade ago
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Q3 is right. It's not an irrational number (at least as far as my maths are right and the anwser matches the OP's).

Q5 it's obvious it doesn't need integration constants.

1 decade ago
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Q3 was not correct, see this and this

1 decade ago
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I think i've made just the same mistake as the OP has xD.

1 decade ago
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I can't get Q1 right, and I've tried various thing. The obvious and (imo) best answer doesn't seem to be right.

1 decade ago
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Same here

1 decade ago
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as I said, the for should be: <word> from first Principles <- notice the "s" here?

1 decade ago
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Thanks, but seriously OP, wouldn't it be better if you used just ONE simple word? The more words, the easier to make a mistake.

1 decade ago
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I'll do better next time, sorry for the big mistakes I made.

1 decade ago
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Bump for solved, cheers.

1 decade ago
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Tanks my friend!

1 decade ago
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You're just trying to annoy the hell out of me, aren't you?

1 decade ago
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Bump for solved. I left a note in the giveaway regarding question 5 to avoid dropping hints here.

1 decade ago
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Having fun, cruising along, and then I crash on Q5 haha.

1 decade ago
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Symbolic computations in matlab or maple do the trick ;) or even wolframalpha.com

1 decade ago
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Bump for solved.

1 decade ago
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Are we doing your homework? XD

1 decade ago
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It's just 4 questions that I came up with in half an hour.

1 decade ago
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Yes, we are doing his homework. That's why he has all the answers already

1 decade ago
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I have no idea what Q5 is asking

1 decade ago
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+1, got everything else right...

1 decade ago
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Same.

1 decade ago
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You have to find the integral of tan^2(x)dx.

1 decade ago
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That's one way to get us to do your homework..

1 decade ago
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Good puzzle.

1 decade ago
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Bum

1 decade ago
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The $3 game giveaway has ended, but there's another one giveaway inside.

1 decade ago
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You should have updated the thread title. Didn't know about the fixed Q3. :(

1 decade ago
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Closed 1 decade ago by simonli2575.