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Standard XI
Mathematics
NCERT
Question
If
f
(
x
)
=
x
2
find
f
(
1.1
)
−
f
(
1
)
(
1.1
−
1
)
Open in App
Solution
Verified by Toppr
Given,
f
(
x
)
=
x
2
∴
f
(
1.1
)
−
f
(
1
)
(
1.1
−
1
)
=
(
1.1
)
2
−
(
1
)
2
(
1.1
−
1
)
=
1.21
−
1
0.1
=
0.21
0.1
=
2.1
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