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Byju's Answer
Standard XII
Mathematics
Derivative from First Principle
Evaluate the ...
Question
Evaluate the limit:
lim
x
→
1
x
2
+
1
x
+
1
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Solution
Using direct substitution method,
lim
x
→
1
x
2
+
1
x
+
1
=
1
2
+
1
1
+
1
=
2
2
=
1
Therefore,
lim
x
→
1
x
2
+
1
x
+
1
=
1
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Derivative from First Principle
Standard XII Mathematics
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