Recent content by ertagon2

Can some1 help me with these?

Can someone help me with these. These are the last 5 questions that I have to do and if I get them right I pass maths.

Can someone check if my answers are right and help me with the missing ones.

Could someone check if my answers are right and help me with question 5?

I don't think I understand. Can you elaborate?

Could someone please check these questions? Please correct them if necessary, with an explanation if you could.

Re: Set Theory Questions (check if irght) Oh nvm I was thinking about countable and uncaountable.

Re: Set Theory Questions (check if irght) Isn't there a finite number of rational numbers for 4<x<6 ?

Re: Set Theory Questions (check if irght) Which one? Looks alright to me.

Could someone please check if these are right?

So I did answer everything correctly? Can you please explain 6.(3) Why is it $\therefore$p$\implies$r rather than p$\therefore$r <--this is what I meant

is this right ?6(1). p$\implies$q, $\lnot$q$\therefore\lnot$p, Modus tollens 6(2). p$\implies$q, q$\implies$r, q$\therefore$r, Transitivity 6(3). p$\implies$q, q$\therefore$p. Converse fallacy 7. I have no idea what I'm doing please explain.

so =$\frac{1}{4}$ ?

- check if right check if right Now, 2 seems to be the right answer for A yet when i made x=5 and subtracted new form form the old one I got a difference of ~$\frac{4}{9}$ (should be 0 obviously) I got A=2 B=$\frac{45}{21}$ C=2 How to calculate $\lim_{{x}\to{\infty}}(- e^{-x})$

Side question how is this du=3sin(3x)dxallowed ? I thought that du/dx is more of a notation than a fraction.