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Differentiation
Paper 1 · Differentiation
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The tangent to the curve
y
=
x
3
−
2
x
y = x^3 - 2x
y
=
x
3
−
2
x
at the point where
x
=
1
x = 1
x
=
1
meets the curve again at the point
P
P
P
. What is the
x
x
x
-coordinate of
P
P
P
?
A
−
2
-2
−
2
B
−
1
-1
−
1
C
0
0
0
D
1
2
\tfrac12
2
1
E
2
2
2
Hint
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