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Byju's Answer
Standard XI
Mathematics
Sequence
lim x → 0 2-x...
Question
lim
x
→
0
2
-
x
-
2
+
x
x
Open in App
Solution
lim
x
→
0
2
-
x
-
2
+
x
x
It is of the form
0
0
.
Rationalising the numerator:
lim
x
→
0
2
-
x
-
2
+
x
2
-
x
+
2
+
x
x
2
-
x
+
2
+
x
=
lim
x
→
0
2
-
x
-
2
+
x
x
2
-
x
+
2
+
x
=
lim
x
→
0
-
2
x
x
2
-
x
+
2
+
x
=
-
2
2
2
=
-
1
2
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0
Similar questions
Q.
Show that
lim
x
→
2
-
x
x
≠
lim
x
→
2
+
x
x
.
Q.
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l
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m
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