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NCERT Class XI Mathematics - Limits and Derivatives - Solutions

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Question : 12
Total: 72
lim
x→−2
1
x
+
1
2
x+2
Solution:  
We have,
lim
x→−2
1
x
+
1
2
x+2
=
lim
x→−2
(x+2)
2x
x+2
 =
lim
x→−2
1
2x
 =
1
2(−2)
 =
1
−4
.
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