# Mei c3 2018

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#2

(Original post by

Expecting something nice after the M1? 19/06/2018

**Ryan Right**)Expecting something nice after the M1? 19/06/2018

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#3

(Original post by

Expecting something nice after the M1? 19/06/2018

**Ryan Right**)Expecting something nice after the M1? 19/06/2018

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#4

C3 is a generally well comprehended module, so even if the paper isn't too nice, I'd expect high grade boundaries.

The last few C3 papers have been quite nice which is not a normal thing for MEI, so I wouldn't be surprised if this paper was quite challenging.

After that horrid excuse of an M1 paper though, I do feel as though MEI owe us

Regardless, good luck to everyone. All the best, and I'm sure you'll smash it!

The last few C3 papers have been quite nice which is not a normal thing for MEI, so I wouldn't be surprised if this paper was quite challenging.

After that horrid excuse of an M1 paper though, I do feel as though MEI owe us

Regardless, good luck to everyone. All the best, and I'm sure you'll smash it!

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#5

what time is the exam again, I know its in the afternoon but forgot when :s

(Nvm just checked its at 13:00)

(Nvm just checked its at 13:00)

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#8

Pretty good. Wait I got 0.05 for the half life question for K, did I make a stupid mistake?

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#9

(Original post by

Relatively easy except for stupidly doing 2ln(x-2) by parts in 9(iv) smdh.

**lowkeybuthighkey**)Relatively easy except for stupidly doing 2ln(x-2) by parts in 9(iv) smdh.

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#10

(Original post by

Pretty good. Wait I got 0.05 for the half life question for K, did I make a stupid mistake?

**Rowanhuggins123**)Pretty good. Wait I got 0.05 for the half life question for K, did I make a stupid mistake?

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#11

this is what i got, the rest were like show that..

(ii) periodic (pi/2)

(iii) even

(ii)k=0.048

(ii) sin(0.5(x-pi/2))

(iii) 23/8-4ln2

(iv) 4ln2-1

- 1)(i) -3x/4y (ii)-6

- 2) (i) odd

(ii) periodic (pi/2)

(iii) even

- 3) (i)0%

(ii)k=0.048

- 4) (0.55, 0.514)
- 5) (ii) -1/3
- 6) (i) 5pi/6

(ii) sin(0.5(x-pi/2))

- 7) n^3-3n^2+2n. Prove it is divisible by 6 for all positive integers n. I factorized, they were 3 consecutive integers, so at least one divisible by 2 and one divisible by 3, thus it is divisible by 6
- 8) (i) equation of the tangent: x-4y-3=0

(iii) 23/8-4ln2

- 9) (ii) find P and Q. P(3,0) Q(4, ln4)

(iv) 4ln2-1

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#13

(Original post by

this is what i got, the rest were like show that..

(ii) periodic (pi/2)

(iii) even

(ii)k=0.048

(ii) sin(0.5(x-pi/2))

(iii) 23/8-4ln2

(iv) 4ln2-1

**2long**)this is what i got, the rest were like show that..

- 1)(i) -3x/4y (ii)-6

- 2) (i) odd

(ii) periodic (pi/2)

(iii) even

- 3) (i)0%

(ii)k=0.048

- 4) (0.55, 0.514)
- 5) (ii) -1/3
- 6) (i) 5pi/6

(ii) sin(0.5(x-pi/2))

- 7) n^3-3n^2+2n. Prove it is divisible by 6 for all positive integers n. I factorized, they were 3 consecutive integers, so at least one divisible by 2 and one divisible by 3, thus it is divisible by 6
- 8) (i) equation of the tangent: x-4y-3=0

(iii) 23/8-4ln2

- 9) (ii) find P and Q. P(3,0) Q(4, ln4)

(iv) 4ln2-1

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#14

**2long**)

this is what i got, the rest were like show that..

- 1)(i) -3x/4y (ii)-6

- 2) (i) odd

(ii) periodic (pi/2)

(iii) even

- 3) (i)0%

(ii)k=0.048

- 4) (0.55, 0.514)
- 5) (ii) -1/3
- 6) (i) 5pi/6

(ii) sin(0.5(x-pi/2))

- 7) n^3-3n^2+2n. Prove it is divisible by 6 for all positive integers n. I factorized, they were 3 consecutive integers, so at least one divisible by 2 and one divisible by 3, thus it is divisible by 6
- 8) (i) equation of the tangent: x-4y-3=0

(iii) 23/8-4ln2

- 9) (ii) find P and Q. P(3,0) Q(4, ln4)

(iv) 4ln2-1

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#16

**2long**)

this is what i got, the rest were like show that..

- 1)(i) -3x/4y (ii)-6

- 2) (i) odd

(ii) periodic (pi/2)

(iii) even

- 3) (i)0%

(ii)k=0.048

- 4) (0.55, 0.514)
- 5) (ii) -1/3
- 6) (i) 5pi/6

(ii) sin(0.5(x-pi/2))

- 8) (i) equation of the tangent: x-4y-3=0

(iii) 23/8-4ln2

- 9) (ii) find P and Q. P(3,0) Q(4, ln4)

(iv) 4ln2-1

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#17

(Original post by

I think I got all the same apart from 25% of substance left after 28.8 years

**uniftw**)I think I got all the same apart from 25% of substance left after 28.8 years

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#18

(Original post by

I got 8ln2 - 2 for the last part of last question... Can someone confirm this?

**a.b.a**)I got 8ln2 - 2 for the last part of last question... Can someone confirm this?

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#19

(Original post by

this is what i got, the rest were like show that..

(ii) periodic (pi/2)

(iii) even

(ii)k=0.048

(ii) sin(0.5(x-pi/2))

(iii) 23/8-4ln2

(iv) 4ln2-1

**2long**)this is what i got, the rest were like show that..

- 1)(i) -3x/4y (ii)-6

- 2) (i) odd

(ii) periodic (pi/2)

(iii) even

- 3) (i)0.25%

(ii)k=0.048

- 4) (0.55, 0.514)
- 5) (ii) -1/3
- 6) (i) 5pi/6

(ii) sin(0.5(x-pi/2))

- 8) (i) equation of the tangent: x-4y-3=0

(iii) 23/8-4ln2

- 9) (ii) find P and Q. P(3,0) Q(4, ln4)

(iv) 4ln2-1

period is pi not pi over 2

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#20

The final answer for the last question I got 4ln2-1? The one where you had to write it in the form mln2-n

I got 25% for the half like one- but why the hell was there like half a page of answer space for that one mark? 😂

I got 25% for the half like one- but why the hell was there like half a page of answer space for that one mark? 😂

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