x2 t08 04 inequality techniques (2011)

46
Inequality Techniques

Upload: nigel-simmons

Post on 05-Jul-2015

683 views

Category:

Education


6 download

TRANSCRIPT

Page 1: X2 T08 04 inequality techniques (2011)

Inequality Techniques

Page 2: X2 T08 04 inequality techniques (2011)

Inequality Techniques0proveeasier tobecan it ,prove To yxyx

Page 3: X2 T08 04 inequality techniques (2011)

Inequality Techniques0proveeasier tobecan it ,prove To yxyx

2

Prove 1995 e.g.22 qppqi

Page 4: X2 T08 04 inequality techniques (2011)

Inequality Techniques0proveeasier tobecan it ,prove To yxyx

2

Prove 1995 e.g.22 qppqi

pqqp

2

22

Page 5: X2 T08 04 inequality techniques (2011)

Inequality Techniques0proveeasier tobecan it ,prove To yxyx

2

Prove 1995 e.g.22 qppqi

pqqp

2

22

22 22 qpqp

Page 6: X2 T08 04 inequality techniques (2011)

Inequality Techniques0proveeasier tobecan it ,prove To yxyx

2

Prove 1995 e.g.22 qppqi

pqqp

2

22

22 22 qpqp

2

2qp

Page 7: X2 T08 04 inequality techniques (2011)

Inequality Techniques0proveeasier tobecan it ,prove To yxyx

2

Prove 1995 e.g.22 qppqi

pqqp

2

22

22 22 qpqp

2

2qp

0

Page 8: X2 T08 04 inequality techniques (2011)

Inequality Techniques0proveeasier tobecan it ,prove To yxyx

2

Prove 1995 e.g.22 qppqi

pqqp

2

22

22 22 qpqp

2

2qp

0

pqqp

2

22

Page 9: X2 T08 04 inequality techniques (2011)

acbcabcbaii 222 Prove a) 1994

Page 10: X2 T08 04 inequality techniques (2011)

acbcabcbaii 222 Prove a) 1994 02 ba

Page 11: X2 T08 04 inequality techniques (2011)

acbcabcbaii 222 Prove a) 1994 02 ba

02 22 baba

Page 12: X2 T08 04 inequality techniques (2011)

acbcabcbaii 222 Prove a) 1994 02 ba

02 22 babaabba 222

Page 13: X2 T08 04 inequality techniques (2011)

acbcabcbaii 222 Prove a) 1994 02 ba

02 22 babaabba 222

bccbacca

22

22

22

Page 14: X2 T08 04 inequality techniques (2011)

acbcabcbaii 222 Prove a) 1994 02 ba

02 22 babaabba 222

bccbacca

22

22

22

bcacabcba 222222 222

Page 15: X2 T08 04 inequality techniques (2011)

acbcabcbaii 222 Prove a) 1994 02 ba

02 22 babaabba 222

bccbacca

22

22

22

bcacabcba 222222 222 bcacabcba 222

Page 16: X2 T08 04 inequality techniques (2011)

acbcabcbaii 222 Prove a) 1994 02 ba

02 22 babaabba 222

bccbacca

22

22

22

bcacabcba 222222 222 bcacabcba 222

31 prove ,1 If b) bcacabcba

Page 17: X2 T08 04 inequality techniques (2011)

acbcabcbaii 222 Prove a) 1994 02 ba

02 22 babaabba 222

bccbacca

22

22

22

bcacabcba 222222 222 bcacabcba 222

31 prove ,1 If b) bcacabcba

bcacabcbacba 22222

Page 18: X2 T08 04 inequality techniques (2011)

acbcabcbaii 222 Prove a) 1994 02 ba

02 22 babaabba 222

bccbacca

22

22

22

bcacabcba 222222 222 bcacabcba 222

31 prove ,1 If b) bcacabcba

bcacabcbacba 22222

bcacabbcacabcba 22

Page 19: X2 T08 04 inequality techniques (2011)

acbcabcbaii 222 Prove a) 1994 02 ba

02 22 babaabba 222

bccbacca

22

22

22

bcacabcba 222222 222 bcacabcba 222

31 prove ,1 If b) bcacabcba

bcacabcbacba 22222

bcacabbcacabcba 22

23 cbabcacab

Page 20: X2 T08 04 inequality techniques (2011)

acbcabcbaii 222 Prove a) 1994 02 ba

02 22 babaabba 222

bccbacca

22

22

22

bcacabcba 222222 222 bcacabcba 222

31 prove ,1 If b) bcacabcba

bcacabcbacba 22222

bcacabbcacabcba 22

23 cbabcacab

3113

bcacab

bcacab

Page 21: X2 T08 04 inequality techniques (2011)

3

31 Prove c) abccba

Page 22: X2 T08 04 inequality techniques (2011)

3

31 Prove c) abccba

bcacabcba 222

Page 23: X2 T08 04 inequality techniques (2011)

3

31 Prove c) abccba

bcacabcba 222

0222 bcacabcba

Page 24: X2 T08 04 inequality techniques (2011)

3

31 Prove c) abccba

bcacabcba 222

0222 bcacabcba 0222 bcacabcbacba

Page 25: X2 T08 04 inequality techniques (2011)

3

31 Prove c) abccba

bcacabcba 222

0222 bcacabcba 0222 bcacabcbacba

022322

2223222223

bcacabcccbcacbabcabbcbbaabccabaacaba

Page 26: X2 T08 04 inequality techniques (2011)

3

31 Prove c) abccba

bcacabcba 222

0222 bcacabcba 0222 bcacabcbacba

022322

2223222223

bcacabcccbcacbabcabbcbbaabccabaacaba

03333 abccba

Page 27: X2 T08 04 inequality techniques (2011)

3

31 Prove c) abccba

bcacabcba 222

0222 bcacabcba 0222 bcacabcbacba

022322

2223222223

bcacabcccbcacbabcabbcbbaabccabaacaba

03333 abccba

abccba 333

31

Page 28: X2 T08 04 inequality techniques (2011)

3

31 Prove c) abccba

bcacabcba 222

0222 bcacabcba 0222 bcacabcbacba

022322

2223222223

bcacabcccbcacbabcabbcbbaabccabaacaba

03333 abccba

abccba 333

31

31

31

31

,,let ccbbaa

Page 29: X2 T08 04 inequality techniques (2011)

3

31 Prove c) abccba

bcacabcba 222

0222 bcacabcba 0222 bcacabcbacba

022322

2223222223

bcacabcccbcacbabcabbcbbaabccabaacaba

03333 abccba

abccba 333

31

31

31

31

,,let ccbbaa 3

131

31

31 cbacba

Page 30: X2 T08 04 inequality techniques (2011)

3

31 Prove c) abccba

bcacabcba 222

0222 bcacabcba 0222 bcacabcbacba

022322

2223222223

bcacabcccbcacbabcabbcbbaabccabaacaba

03333 abccba

abccba 333

31

31

31

31

,,let ccbbaa 3

131

31

31 cbacba

3

31 abccba

Page 31: X2 T08 04 inequality techniques (2011)

nn

n aaan

aaa 21

21

MeanGeometricMeanArithmetic

Page 32: X2 T08 04 inequality techniques (2011)

nn

n aaan

aaa 21

21

MeanGeometricMeanArithmetic

1prove,8111 Suppose d) xyzzyx

Page 33: X2 T08 04 inequality techniques (2011)

nn

n aaan

aaa 21

21

MeanGeometricMeanArithmetic

1prove,8111 Suppose d) xyzzyx

818111

xyzyzxzzxyyxzyx

Page 34: X2 T08 04 inequality techniques (2011)

nn

n aaan

aaa 21

21

MeanGeometricMeanArithmetic

1prove,8111 Suppose d) xyzzyx

818111

xyzyzxzzxyyxzyx

3

31 xyzzyx

Page 35: X2 T08 04 inequality techniques (2011)

nn

n aaan

aaa 21

21

MeanGeometricMeanArithmetic

1prove,8111 Suppose d) xyzzyx

818111

xyzyzxzzxyyxzyx

3

31 xyzzyx

33 xyzzyx

Page 36: X2 T08 04 inequality techniques (2011)

nn

n aaan

aaa 21

21

MeanGeometricMeanArithmetic

1prove,8111 Suppose d) xyzzyx

818111

xyzyzxzzxyyxzyx

3

31 xyzzyx

33 xyzzyx

33 xzyzxyxzyzxy

Page 37: X2 T08 04 inequality techniques (2011)

nn

n aaan

aaa 21

21

MeanGeometricMeanArithmetic

1prove,8111 Suppose d) xyzzyx

818111

xyzyzxzzxyyxzyx

3

31 xyzzyx

33 xyzzyx

33 xzyzxyxzyzxy

3 2223 zyxxzyzxy

Page 38: X2 T08 04 inequality techniques (2011)

nn

n aaan

aaa 21

21

MeanGeometricMeanArithmetic

1prove,8111 Suppose d) xyzzyx

818111

xyzyzxzzxyyxzyx

3

31 xyzzyx

33 xyzzyx

33 xzyzxyxzyzxy

3 2223 zyxxzyzxy

233 xyzxzyzxy

Page 39: X2 T08 04 inequality techniques (2011)

81 xyzyzxzxyzyx

Page 40: X2 T08 04 inequality techniques (2011)

81 xyzyzxzxyzyx 8331 233 xyzxyzxyz

Page 41: X2 T08 04 inequality techniques (2011)

81 xyzyzxzxyzyx 8331 233 xyzxyzxyz

8331 33233 xyzxyzxyz

Page 42: X2 T08 04 inequality techniques (2011)

81 xyzyzxzxyzyx 8331 233 xyzxyzxyz

8331 33233 xyzxyzxyz

81 33 xyz

Page 43: X2 T08 04 inequality techniques (2011)

81 xyzyzxzxyzyx 8331 233 xyzxyzxyz

8331 33233 xyzxyzxyz

81 33 xyz

21 3 xyz

Page 44: X2 T08 04 inequality techniques (2011)

81 xyzyzxzxyzyx 8331 233 xyzxyzxyz

8331 33233 xyzxyzxyz

81 33 xyz

21 3 xyz

13 xyz

Page 45: X2 T08 04 inequality techniques (2011)

81 xyzyzxzxyzyx 8331 233 xyzxyzxyz

8331 33233 xyzxyzxyz

81 33 xyz

21 3 xyz

13 xyz

1xyz

Page 46: X2 T08 04 inequality techniques (2011)

81 xyzyzxzxyzyx 8331 233 xyzxyzxyz

8331 33233 xyzxyzxyz

81 33 xyz

21 3 xyz

13 xyz

1xyz

Inequalities Sheet

Exercise 10D

Note: Cambridge 8H (Book 1); 28