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OCR 2023 GCE MATHEMATICS B MEI H640/03: PURE MATHEMATICS AND COMPREHENSION A LEVEL QUESTION PAPER & MARK SCHEME (MERGED)
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© OCR 2023 H640/03 Jun23 
= 
e 
n+1 
2 
Formulae A Level Mathematics B (MEI) (H640) 
Arithmetic series 
S = 
1 
n^a+lh = 
1 
n"2a+^n-1hd, 
n 2 2 
Geometric series 
Sn 
= 
a^1-r 
nh 
1 -r 
 a 
3 1 -r 
for r 1 1 
Binomial series 
^a+bh 
n 
= a 
n + 
nC1 
a 
n-1 
b+ 
nC2 
a 
n-2 
b 
2 +f+ 
nCr 
a 
n-r 
b 
r +f+ b 
n ^n e Nh, 
n 
Jn 
N n! 
where 
Cr 
= n 
Cr 
= K 
r 
O = 
r!^n -rh! 
L P 
^1+xh 
n 
= 1+nx+ 
n^n -1h 
x 
2 
+f+ 
n^n - 1hf^n -r+1h 
x 
r 
+f 
^x 1 1, n e Rh 
2! 
Differentiation 
f^x...
-
OCR 2023 GCE MATHEMATICS B MEI H640/02: PURE MATHEMATICS AND STATISTICS A LEVEL QUESTION PAPER & MARK SCHEME (MERGED)
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2 
© OCR 2023 H640/02 Jun23 
^ h 
= 
e 
n+1 
2 
n 2 2 
L P 
Formulae A Level Mathematics B (MEI) (H640) 
Arithmetic series 
S = 
1 
n^a + lh = 
1 
n"2a +^n - 1hd, 
Geometric series 
Sn 
= 
a 1-r 
n 
1 -r 
 a 
3 1-r 
for r 1 1 
Binomial series 
^a+bh 
n 
= a 
n + 
nC1 
a 
n-1 
b+ 
nC2 
a 
n-2 
b 
2 +f+ 
nCr 
a 
n-r 
b 
r +f+b 
n 
n e N , 
n 
J 
n 
N n! 
where Cr 
= n 
Cr 
= K 
r 
O = 
r!^n -rh! 
^1+xh 
n 
= 1+nx+ 
n^n -1h 
x 
2 
+f+ 
n^n -1hf^n -r+1h 
x 
r 
+f 
x 1 1, n e R 
2! 
Differentiation...
-
OCR 2023 GCE MATHEMATICS B MEI H640/01: PURE MATHEMATICS AND MECHANICS A LEVEL QUESTION PAPER & MARK SCHEME (MERGED)
- Examen • 62 páginas • 2024
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2 
© OCR 2023 H640/01 Jun23 
= 
r n r Kr 
O 
e 
n+1 
2 
Formulae A Level Mathematics B (MEI) (H640) 
Arithmetic series 
S = 
1 
n^a+lh = 
1 
n"2a+^n-1hd, 
n 2 2 
Geometric series 
Sn 
= 
a^1-r 
nh 
1 -r 
 a 
3 1 -r 
for r 1 1 
Binomial series 
^a+bh 
n 
= a 
n + 
nC1 
a 
n-1 
b+ 
nC2 
a 
n-2 
b 
2 +f+ 
nCr 
a 
n-r 
b 
r +f+ b 
n ^n e Nh, 
where 
nC = C = 
J 
n 
N 
= 
L P 
n! 
r!^n -rh! 
^1+xh 
n 
= 1+nx+ 
n^n -1h 
x 
2 
+f+ 
n^n - 1hf^n -r+1h 
x 
r 
+f 
^x 1 1, n e Rh 
2! 
Differentiation 
f^x...
-
OCR 2023 GCE MATHEMATICS B MEI H630/02: PURE MATHEMATICS AND STATISTICS AS LEVEL QUESTION PAPER & MARK SCHEME (MERGED)
- Examen • 57 páginas • 2024
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2 
© OCR 2023 H630/02 Jun23 
-1 
2 
2 
2 
L P 
2! r! 
Formulae AS Level Mathematics B (MEI) (H630) 
Binomial series 
(a + b) 
n = a 
n + 
nC1 
a 
n–1 
b + 
nC2 
a 
n–2 
b 
2 + ... + 
nCr 
a 
n–r 
b 
r + ... +bn n e N , 
n 
Jn 
N n! 
where Cr 
= n 
Cr 
= K 
r 
O = 
r!^n -rh! 
^1 + xh 
n 
= 1 + nx + 
n^n - 1h 
x 
2 + ... + 
n^n - 1h...^n -r + 1h 
x 
r + ... x 1 1, n e R 
Differentiation from first principles 
f l(x) = lim f^x + hh - f(x) 
h"0 h 
Sample variance 
2 1 2 2 
^/x 
ih 
2 
2 2 
s...
-
OCR 2023 GCE MATHEMATICS B MEI H630/01: PURE MATHEMATICS AND MECHANICS AS LEVEL QUESTION PAPER & MARK SCHEME (MERGED)
- Examen • 51 páginas • 2024
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2 
© OCR 2023 H630/01 Jun23 
-1 
2 
2 
2 
L P 
2! r! 
Formulae AS Level Mathematics B (MEI) (H630) 
Binomial series 
(a + b) 
n = a 
n + 
nC1 
a 
n–1 
b + 
nC2 
a 
n–2 
b 
2 + ... + 
nCr 
a 
n–r 
b 
r + ... +bn n e N , 
n 
Jn 
N n! 
where Cr 
= n 
Cr 
= K 
r 
O = 
r!^n -rh! 
^1+xh 
n 
= 1+nx+ 
n^n -1h 
x 
2 +...+ 
n^n - 1h...^n -r+1h 
x 
r +... x 1 1, n e R 
Differentiation from first principles 
f l(x) = lim f^x + hh -f(x) 
h"0 h 
Sample variance 
2 1 2 2 
^/x 
ih 
2 
2 2 
s = 
n 
Sxx w...
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-
OCR 2023 GCE MATHEMATICS A H240/03: PURE MATHEMATICS AND MECHANICS A LEVEL QUESTION PAPER & MARK SCHEME (MERGED)
- Examen • 75 páginas • 2024
-
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2 
© OCR 2023 H240/03 Jun23 
^ h 
= 
n+1 
2 
n 2 2 
2! r! 
dx dx 
Formulae 
A Level Mathematics A (H240) 
Arithmetic series 
S = 
1 
n^a + lh = 
1 
n"2a +^n - 1hd, 
Geometric series 
Sn 
= 
a 1-r 
n 
1 -r 
 a 
3 1-r 
for r 1 1 
Binomial series 
^a+bh 
n 
= a 
n + 
nC1 
a 
n-1 
b+ 
nC2 
a 
n-2 
b 
2 +f+ 
nCr 
a 
n-r 
b 
r +f+b 
n ^n e Nh, 
where 
nC = C = c 
n 
m = 
n! 
r n r r r!^n -rh! 
^1+xh 
n 
= 1+nx+ 
n^n -1h 
x 
2 
+f+ 
n^n -1hf^n -r+1h 
x 
r 
+f ^x 1 1, n e Rh 
Differentiation 
f x fl x...
-
OCR 2023 GCE MATHEMATICS A H240/02: PURE MATHEMATICS AND STATISTICS A LEVEL QUESTION PAPER & MARK SCHEME (MERGED)
- Examen • 63 páginas • 2024
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2 
© OCR 2023 H240/02 Jun23 
^ h 
= 
n+1 
2 
n 2 2 
L P 
2! r! 
dx dx 
Formulae 
A Level Mathematics A (H240) 
Arithmetic series 
S = 
1 
n^a + lh = 
1 
n"2a +^n - 1hd, 
Geometric series 
Sn 
= 
a 1-r 
n 
1 -r 
 a 
3 1-r 
for r 1 1 
Binomial series 
^a+bh 
n 
= a 
n + 
nC1 
a 
n-1 
b+ 
nC2 
a 
n-2 
b 
2 +f+ 
nCr 
a 
n-r 
b 
r +f+b 
n ^n e Nh, 
n 
J 
n 
N n! 
where Cr 
= n 
Cr 
= K 
r 
O = 
r!^n -rh! 
^1+xh 
n 
= 1+nx+ 
n^n -1h 
x 
2 
+f+ 
n^n -1hf^n -r+1h 
x 
r 
+f ^x 1 1,n e Rh 
Differentiati...
-
OCR 2023 GCE MATHEMATICS A H240/01: PURE MATHEMATICS A LEVEL QUESTION PAPER & MARK SCHEME (MERGED)
- Examen • 68 páginas • 2024
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2 
© OCR 2023 H240/01 Jun23 
^ h 
= 
n+1 
2 
n 2 2 
L P 
2! r! 
dx dx 
Formulae 
A Level Mathematics A (H240) 
Arithmetic series 
S = 
1 
n^a + lh = 
1 
n"2a +^n - 1hd, 
Geometric series 
Sn 
= 
a 1-r 
n 
1 -r 
 a 
3 1-r 
for r 1 1 
Binomial series 
^a+bh 
n 
= a 
n + 
nC1 
a 
n-1 
b+ 
nC2 
a 
n-2 
b 
2 +f+ 
nCr 
a 
n-r 
b 
r +f+b 
n ^n e Nh 
n 
J 
n 
N n! 
where Cr 
= n 
Cr 
= K 
r 
O = 
r!^n -rh! 
^1+xh 
n 
= 1+nx+ 
n^n -1h 
x 
2 
+f+ 
n^n -1hf^n -r+1h 
x 
r 
+f ^ x 1 1,n e Rh 
Differentiati...
-
OCR 2023 GCE MATHEMATICS A H230/02: PURE MATHEMATICS AND MECHANICS AS LEVEL QUESTION PAPER & MARK SCHEME (MERGED)
- Examen • 49 páginas • 2024
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© OCR 2023 H230/02 Jun23 
x 
2 
2 
Formulae 
AS Level Mathematics A (H230) 
Binomial series 
^a+bh 
n 
= a 
n + 
nC1 
a 
n-1 
b+ 
nC2 
a 
n-2 
b 
2 +f+ 
nCr 
a 
n-r 
b 
r +f+ b 
n ^n e Nh, 
where nC = C = c 
n 
m = 
n! 
r n r r r!^n-rh! 
Differentiation from first principles 
fl^xh = lim f^x+hh-f^xh 
h "0 h 
Standard deviation 
/ x 
2 / fx2 
= 
n 
-x 
2 or = / f 
-x 
2 
The binomial distribution 
If X ~ B^n, ph then P^X = xh = c 
n 
mp 
x^1-ph 
n-x 
, mean of X is np, variance of X is np^1 ...
-
OCR 2023 GCE MATHEMATICS A H230/01: PURE MATHEMATICS AND STATISTICS AS LEVEL QUESTION PAPER & MARK SCHEME (MERGED)
- Examen • 50 páginas • 2024
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2 
Formulae 
© OCR 2023 H230/01 Jun23 
x 
2 
2 
2 
h"0 h 
AS Level Mathematics A (H230) 
Binomial series 
^a+bh 
n 
= a 
n + 
nC1 
a 
n-1 
b+ 
nC2 
a 
n-2 
b 
2 +f+ 
nCr 
a 
n-r 
b 
r +f+b 
n 
n e N , 
where 
nC = C = c 
n 
m = 
n! 
r n r r r!^n -rh! 
Differentiation from first principles 
fl^xh = lim f^x + hh-f^xh 
Standard deviation 
/x 
2 / fx2 
= 
n 
-x 
2 or = / f 
-x 
2 
The binomial distribution 
If X + B n, p then P^X = xh = c 
n 
mp 
x^1 -ph 
n-x 
, mean of X is np, variance of X is n...
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