Parametric Equations Differentiation
►Refer to Khan academy: Parametric equations differentiation ►Jump over to have some practice at Khan academy.
Why can we operate dy/dx
algebraically?
dy/dx
algebraically?Refer to Khan academy: Addressing treating differentials algebraically
Differentiate Parametric Equations
Example
Let's do some trick to
dy/dt
and use this one instead:Substitute the derivatives back:
Plug in
t=1
to get the answer:
Second derivatives of Parametric functions
Example
Follow the rule, we got the first derivative:
And let's apply the rule for second derivative:
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