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Mathematics
Problem
Determine all real numbers
k
k
k
such that
lim
h
→
0
(
k
+
h
)
2
−
k
2
h
=
10.
\lim_{h\to 0}\frac{(k+h)^2-k^2}{h}=10.
h
→
0
lim
h
(
k
+
h
)
2
−
k
2
=
10.
State the value(s) of
k
k
k
.
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