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تمارين على المتتابعات

Authored by usama abouelkhair

Mathematics

11th Grade

Used 4+ times

تمارين على المتتابعات
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6 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

المتتابعة

21, 14 , 7 , 6............

حسابية

هندسية

لا حسابية ولا هندسية

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

الحد السابع في المتتابعة الحسابية

2 , 5 , 8 , ........

11

14

20

23

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

يمكن كتابة الحد العاشر في متتابعة حسابية على الصورة

a1 + 10da_1\ +\ 10d

10a1 + d10a_{1\ }+\ d

a1 + 9 da_1\ +\ 9\ d

9a1 + d9a_{1\ }+\ d

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 n=37 (2n1)\sum_{n=3}^7\ \left(2n-1\right)  

40

45

35

50

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

مجموع عدد محدود من متتابعة هندسية يعطى بالمعادلة

n2( a1 + an)\frac{n}{2}\left(\ a_1\ +\ a_n\right)

n2( 2a1 + (n1)d)\frac{n}{2}\left(\ 2a_1\ +\ \left(n-1\right)d\right)

n2( 1 rn1r)\frac{n}{2}\left(\ \frac{1-\ r^n}{1-r}\right)

a1(1 rn)1 r\frac{a_1\left(1-\ r^n\right)}{1\ -\ r}

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

ما الأوساط الهندسية الممكن ادخالها بين العددين

0.5 , ......, ....... , ........ , 2048

512, 375 , 1024 or 683 , 1365 , 125

-683 , 1365 , -2048 or 683 , 1365 , 2048

-2 , 8 ,-32 or 2 , 8 32

-4 , 32 , -256 or 4 , 32 256

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