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Mathematics
Problem
State the condition under which a rational function
f
(
x
)
=
p
(
x
)
q
(
x
)
f(x)=\dfrac{p(x)}{q(x)}
f
(
x
)
=
q
(
x
)
p
(
x
)
is continuous at a point
x
=
a
x=a
x
=
a
.
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