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53. Arifmetik progressiya xossalari — JAYDARIMOCK
Abituriyent 1-11 to'plami
Progressiya
53. Arifmetik progressiya xossalari
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1.
Oson
n
ta hadining yig'indisi
S
n
=
n
2
+
2
n
bo'lgan arifmetik progressiyaning umumiy hadi formulasini toping.
A)
2n + 3
B)
2n + 1
C)
2n - 1
D)
n + 2
Javobni tekshirish
Yechim tahlili
Oldingi
Keyingi
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