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Byju's Answer
Standard XII
Physics
Basic Differentiation Rule
Find the slop...
Question
Find the slope of the tangent to curve
y
=
x
3
−
x
+
1
at the point whose
x
-coordinate is
2
.
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Solution
The given curve is
y
=
x
3
−
x
+
1
∴
d
y
d
x
=
3
x
2
−
1
The slope of the tangent to the curve at
x
=
2
is given by,
(
d
y
d
x
)
x
=
2
=
(
3
x
2
−
1
)
x
=
2
=
3
(
2
)
2
−
1
=
11
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Similar questions
Q.
Find the slope of the tangent to the curve
y
=
x
3
− 3
x
+ 2 at the point whose
x
-coordinate is 3.