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Mathematics
Mathematics
Problem
Briefly explain, in one or two sentences, why the derivative of
7
x
4
−
5
x
2
7x^{4}-5x^{2}
7
x
4
−
5
x
2
is
28
x
3
−
10
x
28x^{3}-10x
28
x
3
−
10
x
.
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