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Mathematical Induction

11X1 T10 09 mathematical induction 2

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Page 1: 11X1 T10 09 mathematical induction 2

Mathematical Induction

Page 2: 11X1 T10 09 mathematical induction 2

Mathematical Induction 3by divisibleis21 Prove .. nnniiige

Page 3: 11X1 T10 09 mathematical induction 2

Mathematical Induction 3by divisibleis21 Prove .. nnniiige

Step 1: Prove the result is true for n = 1

Page 4: 11X1 T10 09 mathematical induction 2

Mathematical Induction 3by divisibleis21 Prove .. nnniiige

Step 1: Prove the result is true for n = 1

6321

Page 5: 11X1 T10 09 mathematical induction 2

Mathematical Induction 3by divisibleis21 Prove .. nnniiige

Step 1: Prove the result is true for n = 1

6321

which is divisible by 3

Page 6: 11X1 T10 09 mathematical induction 2

Mathematical Induction 3by divisibleis21 Prove .. nnniiige

Step 1: Prove the result is true for n = 1

6321

Hence the result is true for n = 1which is divisible by 3

Page 7: 11X1 T10 09 mathematical induction 2

Mathematical Induction 3by divisibleis21 Prove .. nnniiige

Step 1: Prove the result is true for n = 1

6321

Hence the result is true for n = 1which is divisible by 3

Step 2: Assume the result is true for n = k, where k is a positive integer

Page 8: 11X1 T10 09 mathematical induction 2

Mathematical Induction 3by divisibleis21 Prove .. nnniiige

Step 1: Prove the result is true for n = 1

6321

Hence the result is true for n = 1which is divisible by 3

Step 2: Assume the result is true for n = k, where k is a positive integer

integeran iswhere,321 .. PPkkkei

Page 9: 11X1 T10 09 mathematical induction 2

Mathematical Induction 3by divisibleis21 Prove .. nnniiige

Step 1: Prove the result is true for n = 1

6321

Hence the result is true for n = 1which is divisible by 3

Step 2: Assume the result is true for n = k, where k is a positive integer

integeran iswhere,321 .. PPkkkei

Step 3: Prove the result is true for n = k + 1

Page 10: 11X1 T10 09 mathematical induction 2

Mathematical Induction 3by divisibleis21 Prove .. nnniiige

Step 1: Prove the result is true for n = 1

6321

Hence the result is true for n = 1which is divisible by 3

Step 2: Assume the result is true for n = k, where k is a positive integer

integeran iswhere,321 .. PPkkkei

Step 3: Prove the result is true for n = k + 1

integeran is where,3321 :Prove.. QQkkkei

Page 11: 11X1 T10 09 mathematical induction 2

Proof:

Page 12: 11X1 T10 09 mathematical induction 2

Proof: 321 kkk

Page 13: 11X1 T10 09 mathematical induction 2

Proof: 321 kkk

21321 kkkkk

Page 14: 11X1 T10 09 mathematical induction 2

Proof: 321 kkk

21321 kkkkk 2133 kkP

Page 15: 11X1 T10 09 mathematical induction 2

Proof: 321 kkk

21321 kkkkk 2133 kkP 213 kkP

Page 16: 11X1 T10 09 mathematical induction 2

Proof: 321 kkk

21321 kkkkk 2133 kkP 213 kkP

integeran is which 21 where,3 kkPQQ

Page 17: 11X1 T10 09 mathematical induction 2

Proof: 321 kkk

21321 kkkkk

Hence the result is true for n = k + 1 if it is also true for n = k

2133 kkP 213 kkP

integeran is which 21 where,3 kkPQQ

Page 18: 11X1 T10 09 mathematical induction 2

Proof: 321 kkk

21321 kkkkk

Hence the result is true for n = k + 1 if it is also true for n = k

2133 kkP 213 kkP

integeran is which 21 where,3 kkPQQ

Step 4: Since the result is true for n = 1, then the result is true for all positive integral values of n by induction.

Page 19: 11X1 T10 09 mathematical induction 2

5by divisible is 23 Prove 23 nniv

Page 20: 11X1 T10 09 mathematical induction 2

5by divisible is 23 Prove 23 nniv

Step 1: Prove the result is true for n = 1

Page 21: 11X1 T10 09 mathematical induction 2

5by divisible is 23 Prove 23 nniv

Step 1: Prove the result is true for n = 1

3582723 33

Page 22: 11X1 T10 09 mathematical induction 2

5by divisible is 23 Prove 23 nniv

Step 1: Prove the result is true for n = 1

3582723 33

which is divisible by 5

Page 23: 11X1 T10 09 mathematical induction 2

5by divisible is 23 Prove 23 nniv

Step 1: Prove the result is true for n = 1

3582723 33

Hence the result is true for n = 1which is divisible by 5

Page 24: 11X1 T10 09 mathematical induction 2

5by divisible is 23 Prove 23 nniv

Step 1: Prove the result is true for n = 1

3582723 33

Hence the result is true for n = 1

Step 2: Assume the result is true for n = k, where k is a positive integer

integeran is where,523 .. 23 PPei kk

which is divisible by 5

Page 25: 11X1 T10 09 mathematical induction 2

5by divisible is 23 Prove 23 nniv

Step 1: Prove the result is true for n = 1

3582723 33

Hence the result is true for n = 1

Step 2: Assume the result is true for n = k, where k is a positive integer

integeran is where,523 .. 23 PPei kk

which is divisible by 5

Step 3: Prove the result is true for n = k + 1

integeran is where,523 :Prove .. 333 QQei kk

Page 26: 11X1 T10 09 mathematical induction 2

Proof:

Page 27: 11X1 T10 09 mathematical induction 2

Proof: 333 23 kk

Page 28: 11X1 T10 09 mathematical induction 2

Proof: 333 23 kk

33 2327 kk

Page 29: 11X1 T10 09 mathematical induction 2

Proof: 333 23 kk

33 2327 kk

32 22527 kkP

Page 30: 11X1 T10 09 mathematical induction 2

Proof: 333 23 kk

33 2327 kk

32 22527 kkP32 2227135 kkP

Page 31: 11X1 T10 09 mathematical induction 2

Proof: 333 23 kk

33 2327 kk

32 22527 kkP32 2227135 kkP

22 22227135 kkP

Page 32: 11X1 T10 09 mathematical induction 2

Proof: 333 23 kk

33 2327 kk

32 22527 kkP32 2227135 kkP

22 22227135 kkP2225135 kP

Page 33: 11X1 T10 09 mathematical induction 2

Proof: 333 23 kk

33 2327 kk

32 22527 kkP32 2227135 kkP

22 22227135 kkP2225135 kP

225275 kP

Page 34: 11X1 T10 09 mathematical induction 2

Proof: 333 23 kk

33 2327 kk

32 22527 kkP32 2227135 kkP

22 22227135 kkP2225135 kP

225275 kPintegeran is which 2527 where,5 2 kPQQ

Page 35: 11X1 T10 09 mathematical induction 2

Proof: 333 23 kk

33 2327 kk

32 22527 kkP32 2227135 kkP

22 22227135 kkP2225135 kP

225275 kPintegeran is which 2527 where,5 2 kPQQ

Hence the result is true for n = k + 1 if it is also true for n = k

Page 36: 11X1 T10 09 mathematical induction 2

Proof: 333 23 kk

33 2327 kk

32 22527 kkP32 2227135 kkP

22 22227135 kkP2225135 kP

225275 kPintegeran is which 2527 where,5 2 kPQQ

Hence the result is true for n = k + 1 if it is also true for n = k

Step 4: Since the result is true for n = 1, then the result is true for all positive integral values of n by induction.

Page 37: 11X1 T10 09 mathematical induction 2

Proof: 333 23 kk

33 2327 kk

32 22527 kkP32 2227135 kkP

22 22227135 kkP2225135 kP

225275 kPintegeran is which 2527 where,5 2 kPQQ

Hence the result is true for n = k + 1 if it is also true for n = k

Step 4: Since the result is true for n = 1, then the result is true for all positive integral values of n by induction.

Exercise 6N; 3bdf, 4 ab(i), 9