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𝟏𝐧 + 𝟐𝐧 + 𝟑𝐧 + … + 𝐤𝐧 shakldagi
yigʻindilarni hisoblash uchun
formula yaratish
7-03-1 Kamoldinov Doniyor
 REJA:
 Induksiya nima?
1n + 2n + 3n + … + kn shakldagi
misollar turlari.
 Misollarning ishlanish formulalari.
 Formulalar kelib chiqishi.
𝑰𝑵𝑫𝑼𝑲𝑺𝑰𝒀𝑨 𝒏𝒊𝒎𝒂?
Induksiya (matematikada) — muhim isbotlash usullaridan
biri; matematik induksiya aksiomasiga (prinsipiga)
asoslanadi. Induksiya arifmetik va geometrik
progressiya formulalarini, logarifmlarni oʻrganishda
uchraydigan formulalarni, Nyuton
binomi va kombinatorikaga doir formulalarni chiqarish va
boshqa xollarda keng qoʻllanadi.
 1^n+2^n+3^n+...+k^n shakldagi misollar turlari
4. 15
+ 25
+ 35
+ … + k5
5. 16
+ 26
+ 36
+ … + k6
6. 17
+ 27
+ 37
+ … + k7
….
 Formula
kelib
chiqishi
 Formula
kelib
chiqishi
 Misollarning ishlanish formulalari.
Masalan 12
+ 22
+ 32
+ … + k2
shunday misolni
olaylik.
Bu misolni mana bu formula orqali javobini
chiqarsak boʻladi:
𝟏𝟐 + 𝟐𝟐 + 𝟑𝟐 + … + 𝒏𝟐 =
𝒏(𝒏 + 𝟏)(𝟐𝒏 + 𝟏)
𝟔
 Misollarning ishlanish formulalari 2
Endi esa 13
+ 23
+ 33
+ … + k3
shunday misolni
olaylik.
Bu misolni mana yana shunga oʻxshash formula
orqali javobini chiqarsak boʻladi:
𝟏𝟑
+ 𝟐𝟑
+ 𝟑𝟑
+ … + 𝒏𝟑
=
𝒏 𝒏 + 𝟏
𝟐
𝟐
𝟏𝟑
+ 𝟐𝟑
+ 𝟑𝟑
+ … + 𝒏𝟑
shakldagi misol uchun
formulaning isboti
𝟏𝟑
+ 𝟐𝟑
+ 𝟑𝟑
+ … + 𝒏𝟑
=
𝒏 𝒏 + 𝟏
𝟐
𝟐
Masalan, n sonini 2 ga teng deb olaylik va misolni shu 2
qiymat qoʻygan holda ishlab ko’raylik:
Formulani isbotlashni eng oson usullaridan biri bu
nomaʻlum hadga qiymat berib ko’rish
𝟏𝟑
+ 𝟐𝟑
+ 𝟑𝟑
+ … + 𝒏𝟑
shakldagi misol uchun
formulaning isboti
𝟏𝟑 + 𝟐𝟑 + 𝟑𝟑 = 1 + 8 + 27 = 36
𝒏 𝒏+𝟏
𝟐
𝟐
=
𝟑 𝟑+𝟏
𝟐
𝟐
=
𝟏𝟐
𝟐
𝟐
=𝟔𝟐=36
Demak, biz bu yechim orqali biz formulani isbotladik.
Eʻtiboringiz
uchun
rahmat!
𝟏𝐧
+ 𝟐𝐧
+ 𝟑𝐧
+ … + 𝐤𝐧
shakldagi yigʻindilarni hisoblash
uchun formula yaratish
7-03-1 Kamoldinov Doniyor

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Math answers of smth

  • 1. 𝟏𝐧 + 𝟐𝐧 + 𝟑𝐧 + … + 𝐤𝐧 shakldagi yigʻindilarni hisoblash uchun formula yaratish 7-03-1 Kamoldinov Doniyor
  • 2.  REJA:  Induksiya nima? 1n + 2n + 3n + … + kn shakldagi misollar turlari.  Misollarning ishlanish formulalari.  Formulalar kelib chiqishi.
  • 3. 𝑰𝑵𝑫𝑼𝑲𝑺𝑰𝒀𝑨 𝒏𝒊𝒎𝒂? Induksiya (matematikada) — muhim isbotlash usullaridan biri; matematik induksiya aksiomasiga (prinsipiga) asoslanadi. Induksiya arifmetik va geometrik progressiya formulalarini, logarifmlarni oʻrganishda uchraydigan formulalarni, Nyuton binomi va kombinatorikaga doir formulalarni chiqarish va boshqa xollarda keng qoʻllanadi.
  • 4.  1^n+2^n+3^n+...+k^n shakldagi misollar turlari 4. 15 + 25 + 35 + … + k5 5. 16 + 26 + 36 + … + k6 6. 17 + 27 + 37 + … + k7 ….
  • 7.  Misollarning ishlanish formulalari. Masalan 12 + 22 + 32 + … + k2 shunday misolni olaylik. Bu misolni mana bu formula orqali javobini chiqarsak boʻladi: 𝟏𝟐 + 𝟐𝟐 + 𝟑𝟐 + … + 𝒏𝟐 = 𝒏(𝒏 + 𝟏)(𝟐𝒏 + 𝟏) 𝟔
  • 8.  Misollarning ishlanish formulalari 2 Endi esa 13 + 23 + 33 + … + k3 shunday misolni olaylik. Bu misolni mana yana shunga oʻxshash formula orqali javobini chiqarsak boʻladi: 𝟏𝟑 + 𝟐𝟑 + 𝟑𝟑 + … + 𝒏𝟑 = 𝒏 𝒏 + 𝟏 𝟐 𝟐
  • 9. 𝟏𝟑 + 𝟐𝟑 + 𝟑𝟑 + … + 𝒏𝟑 shakldagi misol uchun formulaning isboti 𝟏𝟑 + 𝟐𝟑 + 𝟑𝟑 + … + 𝒏𝟑 = 𝒏 𝒏 + 𝟏 𝟐 𝟐 Masalan, n sonini 2 ga teng deb olaylik va misolni shu 2 qiymat qoʻygan holda ishlab ko’raylik: Formulani isbotlashni eng oson usullaridan biri bu nomaʻlum hadga qiymat berib ko’rish
  • 10. 𝟏𝟑 + 𝟐𝟑 + 𝟑𝟑 + … + 𝒏𝟑 shakldagi misol uchun formulaning isboti 𝟏𝟑 + 𝟐𝟑 + 𝟑𝟑 = 1 + 8 + 27 = 36 𝒏 𝒏+𝟏 𝟐 𝟐 = 𝟑 𝟑+𝟏 𝟐 𝟐 = 𝟏𝟐 𝟐 𝟐 =𝟔𝟐=36 Demak, biz bu yechim orqali biz formulani isbotladik.
  • 12. 𝟏𝐧 + 𝟐𝐧 + 𝟑𝐧 + … + 𝐤𝐧 shakldagi yigʻindilarni hisoblash uchun formula yaratish 7-03-1 Kamoldinov Doniyor