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Mathematics
Mathematics
Problem
For which value of
r
r
r
does the function
h
(
x
)
=
x
r
h(x)=x^{r}
h
(
x
)
=
x
r
have a derivative that is proportional to
x
−
3
x^{-3}
x
−
3
? a)
r
=
−
4
r=-4
r
=
−
4
b)
r
=
3
r=3
r
=
3
c)
r
=
−
2
r=-2
r
=
−
2
d)
r
=
−
3
r=-3
r
=
−
3
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