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Nizovi_C

Authored by Filip Batrla

Mathematics

KG

Used 3+ times

Nizovi_C
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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Niz je zadan rekurzivno a1=3a_1=3 , an =2a(n−1)−1a_{n\ }=2a_{\left(n-1\right)}-1 . Izračunaj a4a_4 .

9

5

3

17

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Neka je an=n2−10na_n=n^2-10n . Izračunaj a105a_{105} .

9975

-9975

9905

-9905

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Je li niz 27,25,23,21,... aritmetički?

Da

Ne

4.

FILL IN THE BLANKS QUESTION

5 mins • 2 pts

Koji je sedamnaesti član aritmetičkog niza ako je prvi član 32, a razlika -7?

(a)  

5.

MULTIPLE CHOICE QUESTION

5 mins • 3 pts

Zadan je aritmetički niz an=3+7na_n=3+7n . Odredi S10S_{10} .

415

540

293

392

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Je li niz 2,4,8,16,... geometrijski?

Da

Ne

7.

FILL IN THE BLANKS QUESTION

5 mins • 2 pts

U geometrijskom nizu je a1=−0.25, q=4a_1=-0.25,\ q=4 .Koliko iznosi a4a_4 ?

(a)  

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