My textbook says it’s not a fraction but defined in terms of the limit of a fraction, what does this actually mean? I’m generally having trouble understanding the notation, particularly in the context of implicit differentiation.
Thanks.
In: 0
it is the derivate of y in regards to x.
if y =x^2 the dy/dx = 2x
The second derivative is d^2 y /dx^2 =2
You could derivate in regards to another variable dy/dt = 0 because y do not depend on t.
The notation is common when you have a function that depends on multiple variables as was created by Leibniz in 1675
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