geometrik prog

Geometrik progressiya qatori to'g'ri berilgan javobni toping

• -10, 20, -40, 80,-160,.....

• 1,3,5,7,9,...

• 3,6,9,12,15,....

• 25,21,14,17,12,...

Geometrik progressiya qatorining birinchi uchta hadi to'g'ri berilgan qatorni toping.

• 4,-12, 36

• 3, 8, 12

• 42,54, 68

• 55, 110, 220

Geometrik progressiya qatorining umumiy formulasi qanday?

• b_n= b_1 * q^(n-1)

• b_n=b_1 / q^(n-1)

• b_n = b_1 + (n-1)q

• b_n = n^2

Quyidagi qator geometrik progressiyaga kiradimi: 1, 3, 9, 27?

• Ha

• Faqat oxirgi ikki a'zosi

• Yo'q

• Faqat birinchi uchta a'zosi

2,6,18,... geometrik progressiyada dastlabki yettita hadi yig'indisini topig

• 2188

• 2187

• 2186

• 2185

Geometrik progressiya n ta hadi yig'indisi umumiy formulasi qanday?

• S_n = b_1*(1-q^n)|(1-q)

• S_n = n^2

• S_n = b_1 * q^(n-1)

• S_n = b_1 + (n-1)q|(1-q)

3, 9, 27,... geometrik progressiyada beshinchi hadini toping

• 243

• 240

• 245

• 250

Geometrik progressiya qatori to'g'ri berilgan javobni toping

• 1, 2, 3, 4, 5

• 10, 20, 30, 40, 50

• 5, 10, 20, 40, 80

• 2, 5, 8, 15, 32

5, 15, 45,... geometrik progressiyada dastlabki to'rt hadi yig'indisini toping

• 135

• 200

• 145

• 250

Quyidagi qator geometrik progressiyaga kiradimi: 2, 4, 8, 16, 32?

• Faqat birinchi uchta a'zosi

• Yo'q

• Ha

• Faqat oxirgi ikki a'zosi