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3.5.4 Differentiation (A-level only)
Medium
Hard
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Question 61
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Markscheme
Given that
x=8cos23y0<y<π6 x = 8 \cos^2 3y \qquad 0 < y < \frac{\pi}{6}
x
=
8
cos
2
3
y
0
<
y
<
6
π
show that
dydx=−1ABx−x2 \frac{dy}{dx} = -\frac{1}{A\sqrt{Bx - x^2}}
d
x
d
y
=
−
A
B
x
−
x
2
1
where
AA
A
and
BB
B
are integers to be found.
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3.5.4 Differentiation (A-level only) Questions
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3.5.4 Differentiation (A-level only)
