Product Rule
Let
and
be differentiable functions. Then, the derivative of their product,
, is
.
Examples:
,
.
and
, so
.
,
.
and
, so
.
Quotient Rule
Let
and
be differentiable functions such that
. Then, the derivative of the quotient,
, is
.
Examples:
,
.
and
, so
.
,
.
and
, so
.
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