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Parametric
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2022 ONE(d)
Merit
Parametric
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Question
A curve is defined parametrically by the equations:
x
=
2
+
3
t
and
y
=
3
t
−
ln
(
3
t
−
1
)
where
t
>
3
1
.
Find the coordinates,
(
x
,
y
)
, of any point(s) on the curve where the tangent to the curve has a gradient
of
2
1
.
*You must use calculus and show any derivatives that you need to find when solving this problem.*
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2022 NCEA L3 Calculus Exam Walkthrough
by infinityplusone
(starts at 11:19)
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