Maths help!

[TheCenturion]

Maths is a piece of cake so far at least, I managed A*'s in my mocks that we hadn't even learnt everything about, so an A* is pretty much a given for GCSE. Not sure how I'm going to go on with maths and further maths at A-Level, but we'll see

What other mods are you thinking of doing?

As I'm doing physics, I'm thinking I should do m1 and maybe m2 as well, as it should be pretty straightforward. D1 is supposed to be quite easy, and we have to do stats 1 and 2

 

[lord filbuster]

What other mods are you thinking of doing?

As I'm doing physics, I'm thinking I should do m1 and maybe m2 as well, as it should be pretty straightforward. D1 is supposed to be quite easy, and we have to do stats 1 and 2

M1 and M2 are much more useful than any of the decision modules if you decide to do physics at university. That said, if you don't want to do physics at uni, the mechanics in A level physics is easy anyway, so you may as well do the modules you find interesting.

 

[D D Danneh]

What other mods are you thinking of doing?

As I'm doing physics, I'm thinking I should do m1 and maybe m2 as well, as it should be pretty straightforward. D1 is supposed to be quite easy, and we have to do stats 1 and 2

I have no idea which modules at the moment (most likely they'll be chosen for me, I'm unsure as to how it works), but I'm taking maths, further maths, physics, chemistry and biology for AS, and am thinking of going into medicine afterwards, and I believe you are also, from previous posts?

 

[TheCenturion]

I have no idea which modules at the moment (most likely they'll be chosen for me, I'm unsure as to how it works), but I'm taking maths, further maths, physics, chemistry and biology for AS, and am thinking of going into medicine afterwards, and I believe you are also, from previous posts?

yup, and I'm doing exactly the same subjects

 

[Lakeland]

Thanks for the help guys. I can follow / comprehend up to the last line - g(t/2pi)^2 = w/f

w is being divided by gf so to get g on the other side of the equasion I times the left by g

What I don't understand (at all) is the rule about moving w from the top of the division, could someone explain that bit to me?

 

[clv101]

The w on the top of the division is the same as saying: w * 1/f

You divide both sides by w, which gets rid of the w on the right and gives you 1/f. Then take the reciprocal of both sides.

Clue, the last line of anant_shah94's solution above is wrong.

 

[TheCenturion]

The w on the top of the division is the same as saying: w * 1/f

You divide both sides by w, which gets rid of the w on the right and gives you 1/f. Then take the reciprocal of both sides.

Clue, the last line of anant_shah94's solution above is wrong.

FFS

Sorry, I know, It's not /w

it's w/

one again

I'm off to cut myself

Really really sorry OP

 

[Morbius]

Fair enough, I stand corrected. Just goes to show that British education is pretty worthless. I got over 90% at Alevel maths (guess that's an A* these days?).

You might be thinking of dividing through by the independent variable.

If you have x^2 - 2x = 0, then you could divide through by x and get x -2 = 0, i.e. x = 2. However, you lose a root, namely x = 0.