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Mathematics
Mathematics
Problem
If
∫
k
x
3
d
x
=
4
x
4
+
C
\displaystyle \int kx^{3}\,dx = 4x^{4}+C
∫
k
x
3
d
x
=
4
x
4
+
C
, then the value of
k
k
k
is a) 8 b) 16 c) 4 d) 1
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