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Mathematics
Mathematics
Problem
Let
k
(
x
)
=
sin
x
x
k(x)=\dfrac{\sin x}{x}
k
(
x
)
=
x
sin
x
for
x
≠
0
x\neq0
x
=
0
. Identify the reason why
k
k
k
is not continuous at
x
=
0
x=0
x
=
0
.
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