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Mathematics
Mathematics
Problem
Find the number of integral values of
x
x
x
satisfying the equation
sgn
(
[
15
1
+
2
x
2
]
)
=
[
1
+
{
2
x
}
]
\text{sgn}\left(\left[\frac{15}{1+2x^2}\right]\right) = [1+\{2x\}]
sgn
(
[
1
+
2
x
2
15
]
)
=
[
1
+
{
2
x
}]
where
[
⋅
]
[\cdot]
[
⋅
]
is G.I.F. and
{
⋅
}
\{\cdot\}
{
⋅
}
— F.P.F.
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