14
                     Lectures
                 70
                     SAR
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                        chapter5(Exact /Not exact  first order D.E)  
                        
- خطوات حل exact first order D. E 03:19
 - Example(5-1),(5-2),(5-4),(5-5),(5-6) 25:23
 - Example (5-12) 12:26
 - خطوات حل not exact first order D. E 05:58
 - example(5-14),(5_15) ❌ , (5-18) 20:45
 - example(5-20) 15:17
 - example(5-21), (5-30) 16:20
 - exercise (5-26), (5-28)❌ ,(5-29) 14:46
 - exercise (5-32),(5-39),(5-40), (5-41)❌ 24:09
 - exercise (5-42), (5-46) ❌, (5-58)❌ 25:48
 - Exercise (5-55❌ , 5-60❌) 21:50
 - exercise (5-48 , 5-64 , 5-65) 29:05
 - مراجعه ch5 14:07
 - تجميعات chapter5💥 27:48
 
 
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                        chapter5(Exact /Not exact  first order D.E)  
                        
 
