
Differential Equations Ordinary and Partial Differential Equations Math Forum 
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November 13th, 2017, 01:18 AM  #1 
Newbie Joined: Nov 2017 From: India Posts: 2 Thanks: 0  Differentials
Hello forum members. Can anyone here help me explain this notes? In equation 145 does it represent a direction (gradient) or is it actually just a slope. Also how is X'Y'/t, reached in equation 147? Really need all the help. Please do let me know if u figure it out.Thank you. Last edited by GRANZER; November 13th, 2017 at 01:20 AM. 
November 13th, 2017, 04:59 AM  #2 
Newbie Joined: Nov 2017 From: India Posts: 2 Thanks: 0 
Can someone help me out, please...or point me in the right direction. Would be really grateful for any assistance you could provide for understanding this.


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