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how do you do question 20 from the sample paper?
thanks

Were there any mistakes in the resit??? I need ONE point to pass ????

same haha

did you hear anything ?

Hi Marta!

Does someone know why the Math exam is out of 22 and not out of 20 ?

Because they gave everyone two bonus points for the math part.

How can I calculate my end score for the QM1 exam?

check on the portal in my grades how many bonus points you got and add them to your score

its not an email adress its a link on the student portal called "exam comments"

How did you find the exam guys?

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Hey, I also don't get how to go from the second to last step to the last step. Anyone can explain?

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You are welcome - success for the exam today! :)

Thanks a lot!! Is there no faster way to get to the standard deviation? :)

can someone help me with question 30? I don't know where to start and what to do...

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It just means that x must be a real number. That's how we used to write it in my high school

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How did you get to this answer? Thank you ! Good luck for the preparation.

Hey guys, do you know if we need the mastery or only the progress in sowiso to get the bonus points?

how do you find the extreme points of the function (x-1)^2(x+2)^2?

Can someone explain how this equals - ln of f(x)? Aren't you supposed to use quotient rule here?

Because then we're only left with function ln(x) which happens to have no extreme points

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Why is it A?

why bigger or equal to 1? isn't the ln rule that it should be bigger than 0?

I equated that equation to zero and then brought the 2 to the other side (turning it positive)

Could somebody explain whats happening here? Does it have something to do with the chain rule...?

also that's just me simplifying the n''(t) function