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Mega A Level Maths Thread MK II

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Reply 220

Felix Felicis

Original post by MathsNerd1

she's

Woah, woah, woah, woah, woah....Woah. I think this begs the question.

Spoiler

Reply 221

Felix Felicis

Original post by Ursin

Thank you, you genius! It seems clear now :smile:

No problem beautiful :wink:

Reply 222

MathsNerd1

Original post by justinawe

Wait... why wouldn't she pick an insurance? :lolwut:

Unless there's another uni she'd prefer that participates in clearing?

They all except from Keele had similar entry requirements so if she didn't get into one then she'd only be able to get into Keele and she decided a few weeks ago that she'd rather resit the year than go to Keele, I can't blame her though as I'd have done the same thing :tongue:

Reply 223

justinawe

Original post by Felix Felicis

No problem beautiful :wink:

Your poorly disguised flirting can be cringe-worthy at times :redface:

Reply 224

Felix Felicis

Original post by justinawe

Your poorly disguised flirting can be cringe-worthy at times :redface:

Please Justin! I pride myself in my cringe-worthy flirting. :smug:

Reply 225

Chloe_P

Original post by DJMayes

The problem is the number of possible alternatives a lot of questions have. For example, take this question (From Edexcel C3 Jan 2013):

Find the exact value of

(sin22.5+cos22.5)^2

The expected method:

(sin22.5+cos22.5)^2 = sin^2 22.5 + cos^2 22.5 +2sin22.5cos22.5

= 1 + sin45

= 1 + \frac{1}{\sqrt{2}}

The method I used:

(sin22.5+cos22.5)^2 = (\sqrt{\frac{1}{2}-\frac{1}{2}cos45} + \sqrt{\frac{1}{2}+\frac{1}{2}cos45})^2

= 1+ 2 \sqrt{\frac{1}{4}-\frac{1}{4}cos^2 45 }

= 1 + \frac{1}{\sqrt{2}}

(A note to be taken from this. No matter how crazy your method is, if it's correct and a specific one hasn't been asked for you can't be marked down. I like to think that reading this on my paper made an examiner somewhere laugh.)

And you managed to do all that without a calculator! :eek:

Reply 226

justinawe

Original post by Felix Felicis

Please Justin! I pride myself in my cringe-worthy flirting. :smug:

I'm sure you do :lol:

Reply 227

Felix Felicis

Original post by Chloe_P

And you managed to do all that without a calculator! :eek:

You...what have you done! :afraid:

Don't get DJ started on calculators. :colone:

Reply 228

MathsNerd1

Original post by Felix Felicis

Woah, woah, woah, woah, woah....Woah. I think this begs the question.

Spoiler

Wouldn't you like to know :wink:

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Reply 229

joostan

Original post by Felix Felicis

You...what have you done! :afraid:

Don't get DJ started on calculators. :colone:

PRSOM
He really has a thing for them doesn't he :console:

Reply 230

blueberryyums

Original post by DJMayes

I've already sat M1, I'm just hanging around to help other people as a break from my own revision. I don't have any exams until the 13th.

13th of June?!

Reply 231

Adam_Pritchard

I have my c2 tommorow. Wondering if i still get full marks in bionomial expansion if i multiply out using the box method and get correct answer. Can any one help. Please!

Reply 232

Felix Felicis

Original post by joostan

PRSOM
He really has a thing for them doesn't he :console:

I'm certain I can regurgitate his rant from heart by now. :colone:

Spoiler

(edited 10 years ago)

Reply 233

Chloe_P

Original post by Felix Felicis

You...what have you done! :afraid:

Don't get DJ started on calculators. :colone:

How can you constantly disregard laurawoods when she desperately needs your help? That poor soul :frown:

Reply 234

Boy_wonder_95

Original post by Chloe_P

How can you constantly disregard laurawoods when she desperately needs your help? That poor soul :frown:

Woah... STALKER ALERT!

Reply 235

justinawe

Original post by Felix Felicis

You...what have you done! :afraid:

Don't get DJ started on calculators. :colone:

I've reached my rep limit, but I'll +rep this tomorrow if I remember!

Reply 236

Boy_wonder_95

Original post by Adam_Pritchard

I have my c2 tommorow. Wondering if i still get full marks in bionomial expansion if i multiply out using the box method and get correct answer. Can any one help. Please!