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Question
Mathematics
The value of displaystyle lim x arrow ∞(√x+√x+√x-√x) is
Q. The value of
x
→
∞
lim
(
x
+
x
+
x
−
x
)
is
1897
228
Limits and Derivatives
Report Error
A
2
1
B
1
C
0
D
None of these
Solution:
x
→
∞
lim
[
x
+
x
+
x
−
x
]
=
x
→
∞
lim
x
+
x
+
x
+
x
x
+
x
+
x
−
x
=
x
→
∞
lim
x
+
x
+
x
+
x
x
+
x
=
x
→
∞
lim
x
[
(
1
+
x
1
1
+
x
1
)
1/2
+
1
]
1/2
x
=
1
+
1
1
=
2
1