50583871 الدرس 1 الوحدة2 ف1 12 ادبي أ.أيمن

$$3,5,7,9,12,...$$

$$3,6,12,24,48,...$$

$$1,1,2,3,5,8,...$$

$$2,7,12,17,22,...$$

-5

15

-15

10

50

60

0

$$2,-4,8,-16,32,...$$

$$-2,-4,-8,-16,-32,...$$

$$8,6,4,2,0,...$$

$$-8,-6,-4,-2,0,...$$

$$a_1=4\ ,\ a_n=a_{\left(n-1\right)}+3\ ,\ n>1$$

$$a_1=4\ ,\ a_n=a_{\left(n-1\right)}-3\ ,\ n>2$$

$$a_1=4\ ,\ a_n=a_{\left(n-1\right)}-3\ ,\ n>1$$

$$a_1=4\ ,\ a_n=a_{\left(n+1\right)}+3\ ,\ n>2$$

$$a_1=25\ ,\ a_n=a_{\left(n-1\right)}+5\ ,\ n>1$$

$$a_1=25\ ,\ a_n=a_{\left(n-1\right)}-5\ ,\ n>1$$

$$a_1=5\ ,\ a_n=a_{\left(n-1\right)}-25\ ,\ n>1$$

$$a_1=25\ ,\ a_n=a_{\left(n+1\right)}-5\ ,\ n>1$$

$$a_1=5\ ,\ a_n=a_{\left(n-1\right)}-3\ ,\ n>1$$

$$a_1=3\ ,\ a_n=a_{\left(n-1\right)}-5\ ,\ n>1$$

$$a_1=3\ ,\ a_n=a_{\left(n+1\right)}+5\ ,\ n>1$$

$$a_1=3\ ,\ a_n=a_{\left(n-1\right)}+5\ ,\ n>1$$