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Mathematics
Mathematics
Problem
The minimum value of the function,
f
(
x
)
=
x
3
/
2
+
x
−
3
/
2
−
4
(
x
+
1
x
)
.
f(x) = x^{3/2} + x^{-3/2} - 4\left(x + \frac{1}{x}\right).
f
(
x
)
=
x
3/2
+
x
−
3/2
−
4
(
x
+
x
1
)
.
For all permissible real values of
x
x
x
, is a.
−
10
-10
−
10
b.
−
6
-6
−
6
c.
−
7
-7
−
7
d.
−
8
-8
−
8
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