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Problem
Problem
The value of
lim
x
→
a
[
2
−
x
+
1
+
x
]
\lim_{x \to a} [\sqrt{2-x} + \sqrt{1+x}]
lim
x
→
a
[
2
−
x
+
1
+
x
]
, where
a
∈
[
0
,
1
2
]
a \in [0, \frac{1}{2}]
a
∈
[
0
,
2
1
]
[
⋅
]
[ \cdot ]
[
⋅
]
denotes the greatest integer function is a. 1 b. 2 c. 3 d. 4
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