lim x → − 1 x 10 + x 5 + 1 x − 1

NCERT Class XI Mathematics - Limits and Derivatives - Solutions

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Question : 5 of 72

Marks: +1, -0

lim

x→−1

x10+x5+1

x−1

Solution:

We have ,

lim

x→−1

x10+x5+1

x−1

=

(−1)10+(−1)5+1

−1−1

=

1−1+1

−2

= −

1

2

.

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