modified eulers example first order first degree solved step by step in two stages

4:22

5:43

کوتاه

4:37

8:13

2:16

2:07

14:56

1:47

40:42

14:56

6:27

13:54

2:07

2:07

2:54

31:22

کوتاه

15:19

12:25

49:33

کوتاه

9:40

11:01

3:07

16:26

9:51

1:15

5:45

2:09

5:44

10:14

1:36

5:19

1:31

5:45

29:24

13:03

7:40

2:59