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Mathematics
Mathematics
Problem
Explain why the derivative of
f
(
x
)
g
(
x
)
\dfrac{f(x)}{g(x)}
g
(
x
)
f
(
x
)
at
x
=
a
x=a
x
=
a
is not defined when
g
(
a
)
=
0
g(a)=0
g
(
a
)
=
0
.
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