sayf alawneh
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am deriving lagrange's equation can anybody help me to understand this identity
the book says that he is using the chain rule for it but am not getting it
d/dt(∂x/∂q)
the identity is in the screen shot
thanks :)
the book says that he is using the chain rule for it but am not getting it
d/dt(∂x/∂q)
the identity is in the screen shot
thanks :)