Page 300 - DMTH201_Basic Mathematics-1

Unit 11: Parametric Differentiation

Notes
d dy
dt dx
=
dx
dt

3
2
=
2t
3
=
4t

Notes if x = x(t) and y = y(t) then

Example:

Suppose we wish to find when

Differentiating

Then, using the chain rule,

so that

This can be simplified as follows:

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