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Introduction to Partial Differential equations(Basics) (in Hindi)
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Introduction to partial differential equation and second order partial differential equation

Yash Dixit
B.Tech(ECE) from AKTU LUCKNOW. YouTuber [GATE Education] Motivational Speaker. VLSI Design & Verification Engineer. Follow me for GATE.

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(9)
U
Unacademy user
plz help sir . want all the vedio lessons of chaucer to Shakespeare. need help sir
Sir the concept is d^2 f / dxdy we differentiate firstly with respect to y then with respect to x then sir how could you differentiate firstly with respect to y then with respect to x in SLIDE 5
Yash Dixit
a year ago
Thanks anubhav for your response let me clear your doubt.... d^2/dxdy or d^2/dydx both are equal either you first differentiate with respect to x and then y or first with respect to y and then x you will get same answer because both are correct...
Yash Dixit
a year ago
you can choose any one both are correct and you will get same answer..
Yash Dixit
a year ago
Solve by other one you will get answer as 1.
Anubhav Singh
a year ago
sir in this question result is same in both case but some book give the concept d^2 f / dxdy is not equal to d^2 f /dydx . sir it is a big doubt for me.
Yash Dixit
a year ago
no it is correct in both way the differentiation comes different but at last answer is same both approaches is right and it is strictly related to Gate don't worry try to solve questions by your and I will also start crash course of Engg Maths in that I will cover gate variety questions don't worry you can follow me you will recieve notification..
M
u explain very easily thanks
Such a nice video of maths
Yash Dixit
a year ago
Thanks
nice explanation
Yash Dixit
a year ago
thanks
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