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Problem
Problem
The domain of
sin
log
[
4
−
x
2
1
−
x
]
\sin \log \left[\frac{\sqrt{4 - x^2}}{1 - x}\right]
sin
lo
g
[
1
−
x
4
−
x
2
]
is (a)
(
−
1
,
1
)
(-1, 1)
(
−
1
,
1
)
(b)
(
−
2
,
1
)
(-2, 1)
(
−
2
,
1
)
(c)
(
−
2
,
−
1
)
(-2, -1)
(
−
2
,
−
1
)
(d)
(
1
,
2
)
(1, 2)
(
1
,
2
)
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